Lang, V. Paul <br/><br/>
Principles of air conditioning / 
V. Paul Lang 
 - 3rd ed. 
 - Albany  Delmar Publishers  1972 
 - 358p.  ill.  27cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0827310099  RM70.05 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air conditioning