1. Solid/vapor thermally driven heat pump development;Shelton,1986
2. The development of silica gel refrigeration;Miller;American Soc. Refrigerating Engineers,1929
3. Freight car refrigeration by an adsorption system employing silica gel;Hulse;Refrigerating Engr,1929
4. Exploration of molecular sieve zeolites for cooling of buildings with solar energy;Tchernev;Final Report, NSF/RA-770017,1977