1. Summer and winter air conditioning by low pressure steam;Zellhoefer;Heating, Piping and Air Conditioning,1973
2. Solubility of halogenated hydrocarbon refrigerants in organic solvents;Zellhoefer;Industrial and Engineering Chemistry,1937
3. Refrigerants and absorbents;Hainsworth;Refrigeration Engineering,1944
4. Qualitative requirements for absorbent-refrigerant combinations;Buffington;Refrigeration Engineering,1949
5. Qualitative requirements for absorbent-refrigerant combinations;Buffington;Refrigeration Engineering,1949