1. A thermodynamic analysis of a metal hydride heat pump;Abelson,1980
2. Verbesserte oder Neue Moeglichkeiten zur Kraft-Waerme-Umwandlung durch Anwnedung Neuer Stoffe;Alefeld;Ber. Bunsenges Phys. Chem.,1980
3. Zeolite heat pump and zeolite heat transformer for load management;Alefeld,1981
4. Experiments with R133A a new refrigerant for high temperature heat pumps;Almin,1982
5. An assessment study of chemical heat pumps;Balfour Beatty Engineering,1982