TY  - BOOK
AU  - Subrahmanyam, N.
AU  -  Lal Brij
TI  - Textbook of optics:     
SN  - 9788121926119
U1  - C51  K6 
PY  - 2009///
CY  - New Delhi
PB  - S Chand,     
KW  - Optics
ER  -