TY  - BOOK
AU  - Subrahmanyam, N.
AU  - Lal, Brij
TI  - A textbook of optics: for B. Sc. Classes as per UGC Model Syllabus 
SN  - 8121926114
U1  - 535 SUB 23
PY  - 2012///
CY  - New Delhi
PB  - S. chand & com.
KW  - Optics
KW  - Physics
N1  - Includes index
ER  -