000
00276nam a2200121Ia 4500
008
220201s2008 xx 000 0 eng d
082
_a
621.3-GUP
100
_a
Gupta, J.B
245
0
_a
Electrical science
260
_a
New Delhi
_b
Katsom
_c
2008
300
_a
576
942
_2
ddc
999
_c
64820
_d
64820