Smith, Russell E.  <br/><br/>
Electricity for refrigeration, heating, and air conditioning / 
Russell E. Smith 
 - 8th ed. 
 - Australia:  Cengage,  2011. 
 - 726p.  [pb] 
<br/><br/><label>ISBN: </label>9781111038786 
<br/><br/><label>Dewey Class. No.: </label>621.56  / SMI-E