ASHRAE handbook & product directory 1980 systems. 

 - Atlanta:  American Society of Heating, Refrigerating and Air-Conditioning Engineers,  1980. 
 - iv, (various pagings) :  ill. ;  29 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heating.--Equipment and supplies<br/>Air conditioning--Equipment and supplies.<br/>Refrigeration and refrigerating machinery.