TY  - BOOK
AU  - SUBRAHMANYAM (N)
AU  - BRIJ LAL
TI  - Textbook of optics
U1  - 534/209 UGC 
PY  - 1995///
CY  - ND
PB  - S. Chand & Co. Ltd.
KW  - Textbook
KW  - optics
KW  - of
ER  -