1. Das Verhalten von Mineralol -F12- Gemischen in Kaltemaschinen;Bambach,1955
2. Oil circulation — its effect on compressor capacity, theory and experiment;Cooper,1972
3. Freon refrigerant equations;Downing;ASHRAE Trans,1972
4. Effect of oil on heat transfer from a horizontal tube to boiling refrigerant 12-oil mixtures;Green;ASHRAE Journal,1963
5. Lubricant related problems with heat pumps;Hughes,1980