TY  - BOOK
AU  - Rai, Lajpat
TI  - Vishwa Ke Mahan Vaijnanik: 50 vaijnanikom ke jeevan aur anusandhanom ka sachitra parich 
SN  - 8170284627
PY  - 2005///
CY  - New Delhi
PB  - Rajpal & Sons
KW  - Science,biography
ER  -