TY  - BOOK
AU  - Subrahmanyam, N. / Lal, Brij / Avadhanulu, M. N.
TI  - Text Book Of Optics
SN  - £9,788,121,926,119
U1  - 535 
CY  - New Delhi
PB  - S. Chand and Company Ltd.
KW  - Optics
N1  - 322/18
ER  -