1. Solar app. of natural zeolites;Tchernev,1976
2. Use of zeolites solar cooling;Tchernev,1980
3. Zeolite heat pump and heat storage;Maier-Laxhuber,1983
4. A zeolite heat pump, heat transformer and heat accumulator;Alefeld,1981
5. On the use of zeolites 13XH2O intermittent cycle for the application to solar climatization of buildings;Meunier,1979