000
00258nam a2200109 4500
082
_a
621.31042GUP
100
_a
Gupta, J.B.
245
_a
Electrical Machines - 1 (DC Machines)
260
_a
India:
_b
S.K Kataria & Sons,
_c
1998.
300
_a
386p. ;
942
_c
BK
999
_c
8398
_d
8398