1. Self-controlling, self-pumping heat circulation system study;Watchell,1978
2. A review of the heat pipe liquid delivery concepts;Roberts,1981
3. The bubble pumped solar domestic hot water heating system;Soerensen,1987
4. A self-pumping vapor system for hybrid space heating;Neeper,1985
5. Experimental study of a self-pumping boiling collector solar hot water system;Davidson;Journal of Solar Energy Engineering,1989