000
00211 a2200097 4500
001
1042
100
_a
Stevenson,W.D.
245
_a
Elements of power system analysis
260
_a
_b
Mcgraw
_c
090
_c
609
_d
609
942
_a
NUST-CAE
_c
M
_c
32589
999
_c
236115
_d
236115