Langley, Billy C., 1931- <br/><br/>
Air conditioning and refrigeration troubleshooting handbook / 
Billy C. Langley 
 - 2nd ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  2003 
 - ix, 505 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0135787416  RM317.58 
<br/><br/><label>LCCN: </label>2002-016915 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air conditioning--Equipment and supplies--Maintenance and repair<br/>Refrigeration and refrigerating machinery--Maintenance and repair