TY  - BOOK
AU  - Chakrabarti, P.K.
TI  - Geometrical and physical optics
SN  - 8173812527
U1  - 535 
PY  - 1992///
CY  - Calcutta
PB  - New central book agencey
KW  - geometrical optics
KW  - physical optics
ER  -