What are cosmic particles? How can these particles be detected? How do they interact with other particles?
Hogan, Robin. "How to combine errors." University of Reading. Published June 2006. Accessed 30 March 2019. http://www.met.rdg.ac.uk/~swrhgnrj/combining_errors.pdf .
Matis, Howard, Ph.D. Personal interview. 20 March 2019.
"My Elevation." RHD Software. Accessed 26 March 2019. https://rdhsoftware.com.
"Reduced chi-squared statistic." Wikipedia, the free encyclopedia. Accessed 29 March 2018. https://en.wikipedia.org/wiki/Reduced_chi-squared_statistic.
Twitty, Colleen and Howard Matis. "Guide to Using the Berkeley Lab Cosmic Ray Detector." LBNL. Published August 2002. Accessed 29 March 2019. https://cosmic.lbl.gov/documentation/UsingtheDetector.pdf.