000
00341nam a2200145Ia 4500
020
_a
0000000078996
082
_b
1987
_a
500
100
_a
"Nudrat"
245
0
_a
Experiment with Light
260
_b
Nudrat book house karachi
_a
pakistan
_c
0
300
_a
40
944
_c
BK
999
_c
554168
_d
554168