000 00301nam a2200097Ia 4500
008 240404s9999 xx 000 0 und d
100 _aEl-Hawary , M.E.
245 0 _aOptimal economic operation of electric power systems
_cM.E. El-Hawary
260 _aNew York
_bAcademic Press
_c1979
942 _aIMAR
_cCART
999 _c34049
_d34049