000 00246nam a2200109 4500
080 _a621.577
_bMCM.81
245 _aHeat pumps
100 _aMcMullan.J.T
700 _aMorgan,R
260 _aBristol
_bAdam hilger Ltd,
_c1981
300 _a1-154
500 _arecived from ERC TNP
999 _c38536
_d38536