000
nam a22 7a 4500
999
_c
14488
_d
14488
020
_a
9788189928223
082
_a
530
_b
GAU
100
_a
GAUR R.K
245
_a
ENGINEERING PHYSICS
250
_a
8TH
260
_a
NEW DELHI
_b
DHANPAT RAI PUB
_c
2018
300
_a
64.20
_b
P.B
700
_a
GUPTA S.L
942
_c
GEN_BK