Langley, Billy C. <br/><br/>
Electric controls for refrigeration and air conditioning / 
Billy C. Langley 
 - 2nd ed. 
 - New Jersy :  Prentice-Hall, Inc. ,  1988 
<br/><br/><label>ISBN: </label>0132475030 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air Conditioning--Control<br/>Heating--Control<br/>Refrigeration and Refrigerating Machinery--Automatic Control
<br/><br/><label>Dewey Class. No.: </label>621.56  / LAN