Proceedings of purdure 1970 symposium on power systems in the seventies, may 12-14, 1970 ; sponsored by the school of electrical engineering 

 - volúmenes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sistemas de energía eléctrica--Congresos
<br/><br/><label>LC Class. No.: </label>TK1001  / S94