000
00241nam a2200109Ia 4500
008
230222s9999 xx 000 0 und d
082
_a
530
100
_a
Gupta
245
0
_a
Practical Physics
260
_b
Pragati Prakashan
_c
2000
942
_c
BK
999
_c
1897
_d
1897