000
00322nam a2200145Ia 4500
008
230118s9999||||xx |||||||||||||| ||und||
082
_a
530
082
_b
CHA/Q
100
_a
g.r
_b
chatwal
100
_b
s.kanand
245
0
_a
quantum mechanics
260
_a
delhi
260
_b
himalaya publishing house
260
_c
1988
999
_c
6203
_d
6203