TY  - BOOK
AU  - Subrahmanyam, N
AU  - Lal, Brij.
TI  - Textbook of optics
SN  - 9788121926119 
U1  - 621.38275 
PY  - 2000///
CY  - New Delhi
PB  - S Chand Publication
KW  - Applied physics
ER  -