000
00292nam a2200145Ia 4500
100
_a
Subrahmanyam/N/ Lal/Brij
250
_a
25
942
_c
BK
366
_f
20
245
_a
Text book of Optics
260
_b
S.Chand & C0
_c
2012
300
_a
729
546
_a
ENGLISH
_c
TTL
999
_c
24052
_d
24052