000
00310nam a2200145Ia 4500
100
_a
KHANNA D R and BEDI R S
250
_a
11th
650
_a
Optics
365
_c
RS
365
_d
1
942
_c
ENGBK
245
_a
Fundamentals of Optics
260
_b
R Chand and Co
_c
1984
_a
Bangalore
300
_a
IX+661PP
999
_c
21273
_d
21273