000
00247nam a2200109Ia 4500
008
220201s9999 xx 000 0 eng d
100
_a
GAUR (RR)
245
0
_a
BASIC APPLIED PHYSICS
250
_a
3RD
260
_b
DHANPAT RAI & SONS
942
_2
ddc
999
_c
96455
_d
96455