Patrick, Dale R. and Fardo, Stephen W. <br/><br/>
Industrial electrical systems 

 -  D.B. taraporevala  1981 
 - 224p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering<br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>621.3  / PAT