TY  - BOOK
AU  - Ghatak,Ajoy
TI  - Optics
SN  - 9781259004346
U1  - 535 
PY  - 2014///
CY  - Newdelhi
PB  - Mc graw hills
KW  - History of optic
KW  - Geometric optics
KW  - Interference
ER  -