1. Multistage absorption refrigeration systems;Richter;J. Refrig.,1962
2. Solar operation of ammonia-water multistage air-conditioning cycles in the tropics;Chinnappa;Solar Energy,1974
3. Handbook of Fundamentals,1967
4. Trends of efficiencies in absorption refrigeration machines;Whitlow;ASHRAE,1966
5. Trends of efficiencies in absorption refrigeration machines;Whitlow;ASHRAE,1966