Stephen L. Herman & Bennie L. Sparkman - <br/><br/>
Electricity & Controls For Hvac/R 

 - 6th ed. 
 -   Delmar Cengage Learning  ©2010 
<br/><br/><label>ISBN: </label>9781435484276  615.8615.8 
<br/><br/><label>Dewey Class. No.: </label>697/HER