000
00302nam a2200133Ia 4500
008
230118s9999||||xx |||||||||||||| ||und||
082
_a
539
082
_b
GUP/M
100
_a
satish k
_b
gupta
245
0
_a
modern's abc of physics
260
_a
newdelhi
260
_b
modern publishers
260
_c
1990
999
_c
11744
_d
11744