Alerich, Walter N. <br/><br/>
Electricity 3  motors & generators, controls, transformers 
Walter N. Alerich, Jeff Keljik. 
 - 5th ed. 
 - Albany, N.Y.  Delmar Publishers  1991 
 - xi, 243p.  ill.  26 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0827340729  RM40.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric controllers<br/>Electric machinery--Direct current.<br/>Electric transformers