References used to prepare the poster
J C Bose
http://www.jcbose.ac.in/publication
https://www.christs.cam.ac.uk/jagadis-chandra-bose-1858-1937
https://jcboseust.ac.in/our-inspiration
https://archive.org/details/dli.scoerat.3652abyakta
https://www.nature.com/articles/105615a0
P C Ray
https://www.ias.ac.in/article/fulltext/reso/006/01/0042-0049
https://edinburgh-global.ed.ac.uk/uncovered/1860-1900/prafulla-chandra-ray
M N Saha
https://www.astro.princeton.edu/~gk/A403/ioniz.pdf
https://goldbook.iupac.org/terms/view/08542
https://www.ias.ac.in/article/fulltext/reso/023/01/0041-0055
https://arxiv.org/pdf/1810.10898
http://spiff.rit.edu/classes/phys370/lectures/spectral_class/spectral_class.html
S N Bose
My talk file fro Hooghly Women’s College
https://drive.google.com/file/d/1V6cxCh4BOmRGgJrd_ZV1n71NLKraL-O4/view
https://archive.org/details/theprincipleofre00einsuoft/page/n3/mode/2up
S N Bose: The Man and His Work
https://www.bose.res.in/Prof.S.N.Bose-Archive/objects/Life, Lectures and Addresses, Miscellaneous Pieces.pdf