Williamson,A.C. <br/><br/>
Introduction to Electrical energy systems 
A.C. Williamson 
 - New York  Longman Scientific & Technical  1988 
 - xv,211 
<br/><br/><label>ISBN: </label>0582462371 
<br/><br/><label>Dewey Class. No.: </label>621.3 W671I