000
00331nam a2200121Ia 45e0
008
181001s1964 xx 000 0 und d
100
_a
Seth & Raizada
245
0
_a
Text book of optics
250
_a
4th
260
_c
1964
300
_a
494
942
_2
ddc
_c
BK
999
_c
472
_d
472