LANGLEY, B. C ELECTRIC METHODS FOR REFERIGERATIONAND AIR CONDITIONING - NEWJERSCY PRENTICE HALL 1974 - 195P ISBN: 0-13-247072-1 Subjects--Topical Terms: REFERIGERATION AND REFRIGERATING MACHINING AIR CONDITIONING CONTROL HEATING CONTROL Dewey Class. No.: 621.56 LAN'E