Ashare handbook & product directory 1976 systems 
/ American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc.,  
 - New York:   American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc.,        1976 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information science
<br/><br/><label>Universal Decimal Class. No.: </label>R 628.8/.84(02)  / L6