TY  - BOOK
AU  - Longhurst,R S.
TI  - Geometrical and physical optics / 
SN  - 8125016236
U1  - 535.32 
PY  - 1999///
CY  - New Delhi : 
PB  - Orient Longman , 
KW  - PHYSICAL OPTICS
N1  - Include index
ER  -