00375nam a2200109   4500008004100000082002000041100001700061245009100078260007000169300001100239650001500250200903b           ||||| |||| 00| 0 eng d00a621.4025bS6421  aSmith, I. E.10aApplications and efficiency of heat pump system: proceedings of the 4th internatio.. /  aBerlin:bScientific and technical information and spri.., c1990.  a189 p. 0aHeat Pumps