Building technology: Mechanical system 
McGuinness, William J. 
 -  National Book Store, Inc.  1977 
 - 266 pages. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Building and electrical equipment.
<br/><br/><label>Dewey Class. No.: </label>620.8 M17  1977