Williamson, A.C <br/><br/>
Introduction to electrical energy system / 
A.C. Williamson 
 - Essex :  Longman,  1988 
 - xv, 211 p. :  22 cm. 
<br/><br/><label>ISBN: </label>0582462371 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric machinery