00455nam a2200133 4500 4844 4844 200903b ||||| |||| 00| 0 eng d 621.4025 S6421 3873 Smith, I. E. Applications and efficiency of heat pump system: proceedings of the 4th internatio.. / Berlin: Scientific and technical information and spri.., 1990. 189 p. Heat Pumps ddc BK 0 0 ddc 0 621_402500000000000_S6421 0 13849 CL CL 2020-09-03 621.4025 S6421 08271 2020-09-03 BK