000
00292nam a2200109Ia 4500
008
220516s1990 xx 000 0 und d
041
_a
eng
082
_a
535 CHA/GEO
100
_a
Chakraborti,P.K
_9
835193
245
_a
Geometrical &physical optics
260
_a
Calcutta
_b
New central book
_c
1990
999
_c
583995
_d
583995