TY  - BOOK
AU  - "Subrahmanyam, Dr. N."
ED  - Bari lal
TI  - A textbook of optics
SN  - 9788121926119
U1  - 535 
PY  - 2016///
CY  - New Delhi
PB  - S Chand & Company
KW  - Electrical Engineering
ER  -