TY  - BOOK
AU  - Subrahmanyam, N.
AU  - Lal, Brij.
TI  - A textbook of optics: for B. Sc. (pass, honours and subsidiary), engineering students of Indian universities and IAS examinations 
U1  - 535 SUB 23
PY  - 1987///
CY  - New Delhi
PB  - S. chand & co. (pvt) ltd.
KW  - Optics
KW  - Physics
N1  - Includes index
ER  -