000 00251nam a2200109Ia 4500
082 _a621.312 KIR
100 _aKIRCHMAYER, LEON K.
245 _aECONOMICS OPRATIONS OF POWER SYSTEMS
260 _bWILEY EASTERN
_c1958
300 _a260
942 _2ddc
_cB
999 _c42748
_d42748