TY  - BOOK
AU  - Singh, S P; Agrawal, J P
TI  - Optics
SN  - 9789991231327
U1  - 535 SIN-O5 22
PY  - 1990///
CY  - 
PB  - Pragati Prakashan, Meerut
KW  - Light & paraphotic phenomena (Optics); Physics
ER  -