1. Hsu YY, Graham RW. Transport processes in boiling and two-phase systems. Series in Thermal Engineering, Hemisphere Publishing Co. McGraw-Hill, 1976.
2. Metastable flow of Freon-12;Pascua;Refrigerating Engineering,1953
3. Simple selection method for capillaries derived from physical flow conditions;Cooper;Refrigerating Engineering,1957
4. Dudley JC. A photographic study of the two-phase flow of freon in small bore tubes. MSc. Thesis, University of Wisconsin, 1962.
5. Mikol EP. Adiabatic single and two-phase flow in small-bore tubes. ASHRAE Journal 1963 November: 75–86.