TY - BOOK AU - KHURMI R S AU - GUPTA J K TI - A TEXT BOOK OF REFRIGERATION AND AIRCONDITIONING SN - 81-219-2781-1 U1 - 621.56 KHU CY - NEW DELHI KW - MECHANICAL KW - REFRIGERATION AIR CONDITIONING N1 - UNDER TEQIP PHASE -II ER -