000
002730000a22001090004500
245
_a
Electrical energy systems theory : an introduction
100
_a
Elgerd, O.I.
260
_a
New Delhi
_b
Tata McGraw-Hill
_c
1971
080
_a
621.3.01
_b
E4
041
_a
EN
942
_c
BK
999
_c
111888
_d
111888