000
00297nam a2200121Ia 4500
008
220201s1993 xx 000 0 eng d
082
_a
621.317
_b
KIR
100
_a
Kirchnayer, L
245
0
_a
Economic operation & power system
260
_b
Wiley Eastern Ltd
_c
1993
300
_a
260
942
_2
ddc
999
_c
86004
_d
86004