000 00393nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a185598010X
082 _a621.4025 S642
100 _aSMITH,I.E
245 0 _aAPPLICATIONS AND EFICIENCY OF HEAT PUMP SYSTEMS PROCEEDINGS OF THE 4TH INTERNATI
260 _aBerlin
_bSCIENTIFIC&TECHNICAL INFORMN
_c1991
300 _a29X20
942 _cBK
_2DDC
999 _c23362
_d23362