Building environments  HVAC systems 
Alan J. Zajac 
 - 2nd ed. 
 - Boston  Allyn and Bacon  c1999. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>020531984X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interpersonal communication--Textbooks.