Gupton, Guy W. <br/><br/>
HVAC controls: operation & maintenance 

 - 3rd ed. 
 - Lilburn  The Fairmont Press  1926 
 - ix, 345 p. 
<br/><br/><label>ISBN: </label>824709225 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ventilation-control
<br/><br/><label>Dewey Class. No.: </label>697  / GUP