Smith, Russell E. <br/><br/>
Electricity for refrigeration, heating & air conditioning 

 -  Delmar Cengage  c2011 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781111038786 
<br/><br/><label>Dewey Class. No.: </label>621.302469 Sm5 2011