000
00284nam a2200133Ia 4500
008
230118s9999||||xx |||||||||||||| ||und||
082
_a
535
082
_b
SMI/O
100
_a
c.j
_b
smith
245
0
_a
optics
260
_a
calcutta
260
_b
radha publishing house
260
_c
1985
999
_c
4964
_d
4964