TY  - BOOK
AU  - SUBRAHMANYAM, N
AU  - LAL, BRIJ
AU  - AVADHANULU M.N
TI  - A Textbook of Optics
SN  - 8121926114
U1  - 535 
PY  - 1966///
CY  - New Delhi
PB  - S. Chand & Company LTD.
KW  - Physics
KW  - OPTICS PHYICS
ER  -