000 00372nam a2200145 4500
999 _c781
_d781
008 191218b ||||| |||| 00| 0 eng d
082 0 0 _a621.5
_bD2551
100 _9306
_aDavies, S. J.
245 1 0 _aHeat Pumps and Thermal Compressors
_cby S J Davies
250 _a1st ed.
260 _aLondon
_bConstable
_c1950
300 _a126 p.
650 0 _aHeat Pumps
942 _2ddc
_cBK