Cube, Hans Ludwig von. Heat pump technology / Hans Ludwig von Cube and Fritz Steimle ; translated by Ilse M. Heinrich ; English ed. edited by E.G.A. Goodall. - London ; Boston : Butterworths, 1981. - xi, 379 p. : ill. Translation of W�armepumpen. ISBN: 0408004975 Subjects--Topical Terms: Heat pumps.