TY  - BOOK
AU  - Sharma, K. N.
AU  - Ahuja, J. R.
TI  - Physical optics
SN  - 8170963109
U1  - 535.2 
PY  - 1990///
CY  - New Delhi
PB  - Kalyani publishers
KW  - Physics
N1  - Index
ER  -