000
00310nam a2200145Ia 4500
008
220421s9999||||xx |||||||||||||| ||und||
020
_c
238
040
_a
ET
100
_a
GUPTA J B
245
0
_a
ELECTRICAL SCIENCE
260
_b
KATARIA & SONS
_a
NEW DELHI
300
_a
514
500
_a
8119
942
_c
BK
999
_c
14458
_d
14458