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] 
SN  - 8121904676 :
AV  - QC355.2 .S83
PY  - 1966///
CY  - New Delhi
PB  - S. Chand & Company
KW  - Optics
KW  - Physics
ER  -