TY  - BOOK
AU  - Usmani, Baidyanath Basu. D.
AU  - Biswas, Sudhindra Nath
AU  - Chattopadhyay, Tanuka
TI  - An Introduction to astrophysics
SN  - 9788120340718
U1  -  523.01 
PY  - 2012///
CY  - New Delhi,India
PB  - PHI Learning
KW  - Astrophysics
ER  -