TY  - BOOK
AU  - Sears, F.
AU  - Gupta, Dhanwant Kishor
TI  - प्रकाशिकी  Optics
U1  - 535 
PY  - 1970///
CY  - Varanasi
PB  - Kashi Hindu Viswavidyalaya, Hindi Prakashan Samiti
KW  - Optics
N1  - Sponsored By Vaigyaniki Tatha Takniki Shabdawali Ayog
ER  -