Patents (Indian)

1. Yogeshwar Dasari, Ramjee Repaka, Navaneeth K Marath, A Thermal Management System for A Battery Pack, 2025, Published.

2. Yogeshwar Dasari, Ramjee Repaka, A Thermal Management System for A Battery Pack, 2024, Granted (Patent No.: 540320). 

3. Rahul Nadda, Yogeshwar Dasari, Ramjee Repaka, Ashish Kumar Sahani, A Bone Marrow Biopsy Device, 2024, Granted (Patent No.: 533690). 

4. Yogeshwar Dasari, Ramjee Repaka, A Thermal Management System for A Cylindrical Battery Pack, 2024, Granted (Patent No.: 525407). 

5. Satish Vellavalapalli, Ramjee Repaka, An Applicator for Treating Biological Tissue and A Method Thereof, 2022, Published. 

Journals (International Refereed)

1. Yogeshwar Dasari, Ramjee Repaka, Rahul Nadda, Numerical Study of a Hybrid Battery Thermal Management System for Enhanced Thermal Regulation in Electric Vehicles, Journal of Thermal Analysis and Calorimetry,  https://doi.org/10.1007/s10973-025-14137-4, 2025. 

2. Yogeshwar Dasari, Ramjee Repaka, Navaneeth K Marath, A Double Serpentine Channel Liquid Cooling Plate for Hotspot Targeted Cooling of Lithium-Ion Batteries in A Battery Module, International Journal of Thermal Sciences, 209, 109521, 2025. 

3. Yogeshwar Dasari, Ramjee Repaka, Electric Vehicle Lithium-Ion Battery Thermal Management by Numerical Simulation with PCM and Fins over Shell, SAE Technical Paper 2024-28-0083, 2024, https://doi.org/10.4271/2024-28-0083. 

4. Yogeshwar Dasari, Ramjee Repaka, Numerical Investigation: Thermal Management of Lithium-Ion Batteries in Electric Vehicles Operating at High Discharge Rates, SAE Technical Paper 2024-28-0082, 2024, https://doi.org/10.4271/2024-28-0082. 

5. Satish Vellavalapalli, Ramjee Repaka, The Influence of Microwave Ablation Parameters on The Positioning of Trocar in Different Cancerous Tissues: A Numerical Study, Electromagnetic Biology and Medicine, 43(1-2), pp. 125-134, 2024.

6. Dhiraj Kumar, Rahul Nadda, Ramjee Repaka, Advances and Challenges in Organ-on-Chip Technology: Towards Mimicking Human Physiology and Disease In Vitro, Medical & Biological Engineering & Computing, 62, pp. 1925-1957, 2024.

7. Rahul Nadda, Ramjee Repaka, In-silico analysis of optimal configurations for rotational bioinspired bone marrow biopsy needle designs: An ANN Approach; Annals of Biomedical Engineering, 52, pp. 846-864, 2024.

8. Rahul Nadda, Ramjee Repaka, Ashish K. Sahani, Development of a Multilayer Iliac Crest Numerical Model for Simulating Honeybee Stinger-Inspired Hollow Needle Insertion, ASME Journal of Engineering and Science in Medical Diagnostics and Therapy, 7(1), pp. 1-7, 2024. 

9. Rahul Nadda, Ramjee Repaka, Nabhajit Mallik, Ashish Kumar Sahani, A prospective survey on trephine biopsy of bone and bone marrow: an experience with 274 Indian patients’ biopsies, European Journal of Medical Research, 28 (193), 2023. 

10. Rahul Nadda, Ramjee Repaka, Ashish K Sahani, Honeybee stinger-based biopsy needle and influence of the barbs on needle forces during insertion/extraction into the iliac crest: A multilayer finite element approach, Computers in Biology and Medicine, 162 (107125), 2023. 

11. Satish Vellavalapalli, Ramjee Repaka, Safety and Efficacy of Intracavitary Microwave Ablation in hepatic gland tumours: Numerical and In-vitro Studies, Part H: Journal of Engineering in Medicine, 237 (7), 2023. 

12. Sundeep Singh, Roderick Melnik, Ramjee Repaka, Paola Saccomandi, Editorial: Innovation in minimally invasive therapies, biosensing, and screening: Data-driven models, complex networks, and experiments, Sec. Diagnostic and Therapeutic Devices, Front. Med. Technol., 05, 2023. 

13. Manoj Dhiman, Ramjee Repaka, Simulating Radiofrequency Ablation of Hepatocellular Carcinomas Proximal to Bare Area of Liver, Minimally Invasive Therapy & Allied Technologies, 32 (4), pp. 163-174, 2023. 

14. Satish Vellavalapalli, Ramjee Repaka, Microwave Ablation Trocar for Ablating Cancerous Tumors: A Numerical Analysis, Medical & Biological Engineering & Computing, 61, pp. 1113-1131, 2023.

15. Satish Vellavalapalli, Ramjee Repaka, Microwave Ablation Trocar Operated at Dual Tine Dual-Frequency: A Numerical Analysis, ASME Journal of Engineering and Science in Medical Diagnostics and Therapy, 06, 021002, May 2022. 

16. Rahul Nadda, Ramjee Repaka, Ashish K. Sahani, Numerical Modelling of Conical-Shaped Bone Marrow Biopsy Needle into Multilayer Iliac Crest Model, ASME Journal of Engineering and Science in Medical Diagnostics and Therapy (Accepted), 2022. 

17. Rahul Nadda, Ramjee Repaka, Ashish K. Sahani, Finite Element Simulation of Multilayer Model to Simulate Fine Needle Insertion Mechanism into Iliac Crest for Bone Marrow Biopsy, Computer Methods in Biomechanics and Biomedical Engineering, 25 (10), 2022. 

18. Rahul Nadda, Ashish K. Sahani, Ramjee Repaka, A Systematic Review of Real-time Fine-Needle Aspiration Biopsy Methods for Soft Tissues, IETE Technical Review, 2021 (https://www.tandfonline.com/doi/full/10.1080/02564602.2021.1955758). 

19. Manoj Dhiman, Aakash K Kumawat, Ramjee Repaka, Directional ablation in radiofrequency ablation using a multi-tine electrode functioning in multipolar mode: an in-silico study using a finite set of states, Computers in Biology and Medicine, 126, 104007, 2020.

20. Jatin Kumar, Ramjee Repaka, Numerical Investigation on the Effect of Different Physiological Cancerous Breast Parameters on the Output of Microwave Ablation, ASME Journal of Engineering and Science in Medical Diagnostics and Therapy, 3(3): 031001, Aug 2020.

21. Sundeep Singh, Ramjee Repaka, Ahmed Al-Jumaily, “Sensitivity analysis of critical parameters affecting the efficacy of microwave ablation using Taguchi method”, International Journal of RF and Microwave Computer-Aided Engineering, 29 (4), e21581, April 2019.

22. Sundeep Singh, Ramjee Repaka, “Numerical investigation of convective cooling in minimizing skin burns during radiofrequency ablation of breast tumor” Sadhana – Indian Academy of Science Journal, 43:90, 2018.

23. Sundeep Singh, Ramjee Repaka, “Thermal characterization using Fourier and non-Fourier conduction during radiofrequency ablation of breast tumor”, Multiphase Science and Technology, Vol. 30(2-3), pp. 207–219, 2018.

24. Sundeep Singh, Ramjee Repaka, "Numerical study to establish relationship between coagulation volume and target tip temperature during temperature-controlled radiofrequency ablation", Electromagnetic Biology and Medicine, 37 (1), pp. 13-22, 2018.

25. Sundeep Singh, Ramjee Repaka, "Parametric Sensitivity Analysis of Critical Factors Affecting the Thermal Damage during RFA of Breast Tumor", International Journal of Thermal Sciences, 124, pp. 366-374, 2018.

26. Sundeep Singh, Ramjee Repaka, "Quantification of Thermal Injury to the Healthy Tissue due to Imperfect Electrode Placements during RFA of Breast Tumor”, ASME Journal of Engineering and Science in Medical Diagnostics and Therapy, 1, 011002-1-10, Feb. 2018.

27. Sundeep Singh, Ramjee Repaka, "Effect of Different Breast Density Compositions on Thermal Damage of Breast Tumor During Radiofrequency Ablation", Applied Thermal Engineering, 125, pp. 443-451, 2017.

28. Sundeep Singh, Ramjee Repaka, "Temperature-controlled radiofrequency ablation of different tissues using two-compartment models", International Journal of Hyperthermia, 33 (2) pp 122-134, 2017.

29. Sundeep Singh, Arka Bhowmik, and Ramjee Repaka, "Thermal Analysis of Induced Damage to the Healthy Cell during RFA of Breast Tumor", Journal of Thermal Biology, 58, pp. 80-90, 2016.

30. Arka Bhowmik and Ramjee Repaka, "Estimation of growth features and thermophysical properties of melanoma within 3-D human skin using genetic algorithm and simulated annealing", International Journal of Heat and Mass Transfer, 98, pp. 81-95, 2016.

31. Arka Bhowmik, Ramjee Repaka, S.C. Mishra, and K. Mitra, "Thermal Assessment of Ablation Limit of Subsurface Tumor during Focused Ultrasound and Laser Heating", ASME Journal of Thermal Science and Engineering Applications", 8 (1), pp. 011012, 2016.

32. Arka Bhowmik, Ramjee Repaka, R. Mulaveesala, and SC Mishra, "Suitability of frequency modulated thermal wave imaging for skin cancer detection—A theoretical prediction", Journal of Thermal Biology, 51, pp. 65-82, 2015.

33. Arka Bhowmik, Ramjee Repaka, S.C. Mishra, "Thermal Analysis of Increasing Subcutaneous Fat Thickness Within the Human Skin—A Numerical Study", Numerical Heat Transfer, Part A: Applications, 67 (3), pp. 313-329, 2015.

34. Arka Bhowmik, Ramjee Repaka and S.C. Mishra, "Thermographic evaluation of early melanoma within the vascularized skin using combined non-Newtonian blood flow and bioheat models", Computers in Biology and Medicine, 53, pp. 206-219, 2014.

35. Arka Bhowmik, Ramjee Repaka, S. C. Mishra, and K. Mitra, "Analysis of radiative signals from normal and malignant human skins subjected to a short-pulse laser", International Journal of Heat and Mass Transfer, 68, pp. 278-294, 2014.

36. Arka Bhowmik, S. Panda, R. Das, Ramjee Repaka, S.C. Martha, "Inverse analysis of conductive-convective wet triangular fin for predicting thermal properties and fin dimensions", Inverse Problems in Science and Engineering, 22 (8), 1367-1393, 2014.

37. Arka Bhowmik, R.K. Singla, R. Das, A. Mallick, Ramjee Repaka, "Inverse modeling of a solar collector involving Fourier and non-Fourier heat conduction", Applied Mathematical Modelling 38 (21), 5126-5148, 2014.

38. S. Panda, Arka Bhowmik, R. Das, Ramjee Repaka, S.C. Martha, "Application of homotopy analysis method and inverse solution of a rectangular wet fin", Energy Conversion and Management 80, 305-318, 2014.

39. Arka Bhowmik, R. Singh, Ramjee Repaka, and S.C. Mishra, "Conventional and newly developed bioheat transport models in vascularized tissues - A review”, Journal of Thermal Biology, 38, pp. 107-125, 2013.

40. Arka Bhowmik, R.K. Singla, P.K. Roy, D.K. Prasad, R. Das and Ramjee Repaka, "Predicting geometry of rectangular and hyperbolic fin profiles with temperature-dependent thermal properties using decomposition and evolutionary methods", Energy Conversion & Management, 74, pp. 535-547, 2013.

41. V. V. Satyamurty and Ramjee Repaka, “Superposition Relations for Forced Convective Local Nusselt Numbers for Flow through Asymmetrically Heated Parallel Plate Channels”, Heat Transfer Engineering, 32(6), pp. 476-484, 2011.

42. Ramjee Repaka and V. V. Satyamurty, “Local and Average Heat Transfer in the Thermally Developing Region of an Asymmetrically Heated Channel”, Int. J. of Heat and Mass Transfer, 53(9-10), pp. 1654-1665, 2010.

43. Ramjee Repaka and V. V. Satyamurty, “Limiting Nusselt Numbers for Viscous Dissipative Flow between Parallel Plates Kept at Unequal Temperatures”, Int. Comm. in Heat and Mass Transfer, 37, pp. 1251-1254, 2010. 

Book chapters

1. Arka Bhowmik, Megh R Goyal, Ramjee Repaka, “Navier-Stokes Equation for Modeling Biofluid Dynamics”, in Biofluid Dynamics of Human Body Systems, Expanded and Revised Edition, 2024, CRC Press (Apple Academic Press), USA. 

2. Arka Bhowmik, Manpreet Singh, Ramjee Repaka, “Bioheat Transfer Models: Theory and Applications in Bioengineering”, in Biofluid Dynamics of Human Body Systems, Expanded and Revised Edition, 2024, CRC Press (Apple Academic Press), USA. 

3. Arka Bhowmik, Ramjee Repaka, "Passive and Active Thermography for the Detection of Subsurface Malignant Lesions" in Thermal Imaging: Types, Advancements and Applications, pp. 25-60, 2017, Nova Science Publishers Inc., New York.

4. Sundeep Singh, Ramjee Repaka, “An in Vitro Phantom Study to Quantify the Efficacy of Multi-tine Electrode in Attaining Large Size Coagulation Volume During RFA” in World Congress on Medical Physics and Biomedical Engineering 2018, pp. 663-668, 2018, Springer Nature Singapore Pte Ltd. 

Conferences ( International Refereed )

1. Dasari Yogeshwar, Ramjee Repaka, Electric Vehicle Lithium-Ion Battery Thermal Management by Numerical Simulation with PCM and Fins over Shell, SAENIS TTTMS Thermal Management Systems Conference, 19th-21st September, 2024, Gurugram, Delhi NCR, India.

2. Dasari Yogeshwar, Ramjee Repaka, Numerical Investigation: Thermal Management of Lithium-Ion Batteries in Electric Vehicles Operating at High Discharge Rates, SAENIS TTTMS Thermal Management Systems Conference, 19th-21st September, 2024 Gurugram, Delhi NCR, India.

3. Adarsha Narayan Mallick, Mukesh Kumar, Rahul Nadda, K Manoj Kumar, Sarju Ralhan, Bishav Mohan, Ramjee Repaka, Ashish Sahani, Investigation of Failure Prevention Study of Coronary Artery Bypass Grafting Using Computational Fluid Dynamics Approach, Proceedings of the 27th National and 5th International ISHMT-ASTFE Heat and Mass Transfer Conference December 14-17, 2023, IIT Patna, Bihar, India. 

4. Sabil Hasan, Navaneeth K Marath, Ramjee Repaka, Biomaterial Walls for Reducing Building Energy Consumption in Different Climatic Conditions of India, Proceedings of the VIII International Conference on Sustainable Energy and Environmental Challenges (VIII SEEC), 04 –06 December 2023, MNIT, Jaipur, India. 

5. Rahul Nadda, Ramjee Repaka, Ashish K Sahani, Development of a Multilayer Numerical Model for Simulating Honeybee Stinger Inspired Hollow Needle Insertion into the Iliac Crest, ASME 2023 International Mechanical Engineering Congress and Exposition (IMECE2023), 29 October - 2 November 2023, New Orleans, Louisiana, USA. 

6. Manoj Dhiman, Ramjee Repaka, Algorithm to Avoid Normal Tissue Sacrifice and Thermal Injury of Neighbouring Organs During Radiofrequency Ablation of Hcc Tumours Treated Using a Multi-Tine Electrode With Separately Controlled Tines, ASME 2021 International Mechanical Engineering Congress and Exposition (IMECE2021), 1-5 November 2021 (Virtual). 

7. Jatin Kumar, Vellavalapalli Satish, Ramjee Repaka, Numerical investigation of the amount of breast tissue contraction during microwave ablation, The 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2019), December 28-31, 2019, IIT Roorkee, Roorkee, India.

8. Manoj Dhiman, Ramjee Repaka, Controlled heat deposition during radiofrequency ablation to target tumours positioned close to critical structures, The 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2019), December 28-31, 2019, IIT Roorkee, Roorkee, India.

9. Satish Vellavalapalli, Jatin Kumar, Ramjee Repaka, Analysis of Ablation Volume Produced during Microwave Ablation of Breast Cancerous Lesion using Fourier and non-Fourier models, ASME 2019 International Mechanical Engineering Congress and Exposition (IMECE2019), 11-14 November 2019, Salt Lake City, Utah, USA.

10. Sundeep Singh, Ramjee Repaka, Comparison of Ablation Volume Produced with Multi-Tine Dry Type and Wet Type Electrodes During Radiofrequency Ablation- An in Vitro Study, ASME 2018 International Mechanical Engineering Congress and Exposition (IMECE2018), 09-15 November 2018, Pittsburgh, PA, USA.

11. Sundeep Singh, Ramjee Repaka, An In Vitro Phantom Study to Quantify the Efficacy of Multi-Tine Electrode in Attaining Large Size Coagulation Volume during RFA, 2018 World Congress on Medical Physics and Biomedical Engineering (IUPESM2018), 03 - 08 June, 2018, Czech Republic.

12. Sundeep Singh, Ramjee Repaka, "Effect of Heterogeneous Blood Perfusion during RFA of Breast Tumor”, 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017), 27-30 December 2017, BITS-Pilani Hyderabad Campus, Hyderabad, India.

13. Shri Ram Dwivedi, Sundeep Singh, Ramjee Repaka, "A Numerical Study on Non-Invasive RF-Assisted Hyperthermia of Deep-Seated Tumor”, 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017), 27-30 December 2017, BITS-Pilani Hyderabad Campus, Hyderabad, India.

14. Sundeep Singh, Ramjee Repaka, "Thermal Characterization Using Fourier and Non-Fourier Conduction During Radiofrequency Ablation of Breast Tumor", ICHMT International Symposium on Advances in Computational Heat Transfer, May 28-June 1, 2017, Napoli, Italy.

15. Sundeep Singh, Ramjee Repaka, "Efficacy of Convective Cooling in Minimizing Skin Burns during Radiofrequency Ablation of Breast Tumor: A Numerical Study", International Conference on Advances in Scientific Computing (ICASC 2016), IIT Madras, November 28-30, 2016, India.

16. Sundeep Singh, Ramjee Repaka, "Effects of Target Temperature on Ablation Volume During Temperature-controlled RFA of Breast Tumor", COMSOL Conference, Bangalore, India, Oct 20-21, 2016.

17. Arka Bhowmik, Ramjee Repaka, Subhash Chandra Mishra, " Role of Short-Pulse Laser for Detection and Differentiation of Cancer Stages and Benign Lesion Within Human Skin", 12th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Costa del Sol, Spain, July 11 – 13, 2016.

18. Sundeep Singh, Ramjee Repaka, “Thermal assessment of breast tumor ablation using cool-tip and mono-polar electrode - A theoretical comparison”, BiTerm-2016, IIT Delhi, India, April 15-17, 2016

19. Sundeep Singh, Arka Bhowmik, Ramjee Repaka, “Radio-frequency ablation of malignant breast tumor: A numerical study”, ISHMT-ASTFE Heat and Mass Transfer Conference 2015, Thiruvananthapuram, India, Dec 17-20, 2015.

20. Sundeep Singh, Ramjee Repaka, “Pre-clinical Modelling and Simulation of Hepatic Radiofrequency Ablation”, COMSOL Conference, Pune, India, Oct 29-30, 2015.

21. Arka Bhowmik, Ramjee Repaka, Ravibabu Mulaveesala, Subhash Chandra Mishra, "Thermal Characterization of Varying Subcutaneous Fat Thickness Using Thermal Wave Imaging Technique", 22nd National and 11th ISHMT-ASME Heat and Mass Transfer Conference, IIT Kharagpur, India, 28-31 December, 2013.

22. Ramjee Repaka, V.V. Satyamurty, "Effect of Viscous Dissipation on Wall Heat Transfer and Energy Gain by the Fluid: Parallel Plate Channel Subjected to Unequal Wall Temperatures", 22nd National and 11th ISHMT-ASME Heat and Mass Transfer Conference, IIT Kharagpur, India, 28-31 December, 2013

23. Arka Bhowmik, Ramjee Repaka, Subhash Chandra Mishra, Kunal Mitra, "Thermal Assessment of Ablation Limit of Subsurface Tumor During Focused Ultrasound and Laser Heating", 22nd National and 11th ISHMT-ASME Heat and Mass Transfer Conference,  IIT Kharagpur, India, 28-31 December, 2013.

24. Arka Bhowmik, Ramjee Repaka, S.C. Mishra, "Thermal Imaging and Screening of Subsurface Cancer during Thermal Recovery after Cold Stress", The 10th International Conference on Flow Dynamics,  ICFD 2013, Sendai, Japan, 25-27 November 2013.

25. R.K. Singla, R. Das, Arka Bhowmik, Ramjee Repaka, "Inverse heat transfer analysis of porous extended surface using simplex search method", Proceedings of the ASME 2013 Gas Turbine India Conference, Bangalore, India, 5-6 December, 2013.

26. Arka Bhowmik, Ramjee Repaka, S.C. Mishra, Ravibabu Mulaveesala, "Detection of Subsurface Skin Lesion Using Frequency Modulated Thermal Wave Imaging: A Numerical Study", ASME 2013 International Mechanical Engineering Congress and Exposition, San Diego, CA, USA, 15-21 November 2013.

27. Ramjee Repaka, V.VSatyamurty, "Effect of Viscous Dissipation on Forced Convection Heat Transfer in Parallel Plate Channels with Asymmetric Boundary Conditions", ASME 2013 International Mechanical Engineering Congress and Exposition San Diego, CA, USA, 15-21 November 2013,.

28. Arka Bhowmik, Ramjee Repaka and Subhash C. Mishra, "Short-pulse Laser Transport in Biological Tissue with and without Malignant Lesion", 2nd International Conference on Biomedical Engineering and Assistive Technologies, Jalandhar, India, 6-7 December 2012.

29. Arka Bhowmik, Ramjee Repaka and Subhash C. Mishra, "Ultra-short Pulse Laser: A Potential Tool for Breast Cancer Detection", The 9th International Conference on Flow Dynamics ICFD 2012, Sendai, Japan, 19-21 September 2012.

30. Ramjee Repaka and V.V.Satyamurty, "Effect of axial conduction on forced convection heat transfer in parallel plate channels with asymmetric boundary conditions", The 21st National & 10th ISHMT-ASME Heat and Mass Transfer Conference, IIT Madras, India, during December 27-30, 2011.

31. Ramjee Repaka and V.V.Satyamurty, "Laminar Forced Convection in the Thermally Developing Region of a Parallel Plate Channel with Viscous Dissipation: Wall Heat transfer and Energy Gain by the Fluid", The 8th International Conference on Flow Dynamics ICFD 2011, Sendai, Japan, 9-11 November 2011. 

32. Arka Bhowmik, Ramjee Repaka and Subhash C. Mishra, "Diagnosis of Malignances in Human Tissues: A Review of Non-Invasive Thermal Techniques", The 8th International Conference on Flow Dynamics ICFD 2011, Sendai, Japan, 9-11 November 2011. 

33. V.V.Satyamurty  and Ramjee Repaka, "Local Nusselt Numbers for Flow Through Asymmetrically Heated Parallel Plate Channels", 20th National & 9th ISHMT-ASME Heat and Mass Transfer Conference,  IIT Bombay, India, January 4 – 6, 2010. 

34. Ramjee Repaka and V.V.Satyamurty, "Viscous Dissipation Effects on Forced Convection Heat Transfer in Thermally Developing Region of a Channel and Energy Gain by the Fluid", 19th National &8th ISHMT-ASME Heat and Mass Transfer Conference, JNTU Hyderabad, India,  January 3 – 5, 2008. 

35. Sujit Ghoshal and Ramjee Repaka, "A 3-D Numerical Study of Gas Turbine Blade Cooling Near The Leading Edge", 2nd BSME-ASME International Conference on Thermal Engineering, Dhaka, Bangladesh, pp. 407-417, January 2-4, 2004. 

36. Arnab Sarkar, Ramjee Repaka, Rabin Ratan Das, Sreepada Dan, Debajyoti Mitra  and Sukritranjan Bhattacharya, “Experimental Study of Flow Past Sharp Edged Bluff Bodies At Different Angles”, 2nd International and 29th National Conference on Fluid Mechanics and Fluid Power, Roorkee, India, pp. 526-535, December 12-14, 2002.