000
00259nam a2200097Ia 4500
008
221129s1969 xx 000 0 und d
041
_a
eng
100
_a
Subrahmanyam, N.
_9
1214625
245
_a
Optics a text book of
260
_a
N. Delhi
_b
Niraj, Prakashan
_c
1969
999
_c
784921
_d
784921