1. Incropera FP, De Witt DP. Fundamentals of heat and mass transfer. New York: John Wiley & Sons, 1996. p. 556–60.
2. Boiling, condensation and gas-liquid flow;Whalley,1987
3. A boundary layer treatment of laminar film condensation;Sparrow;J. Heat Transfer 81,1959
4. The two-phase boundary layer in laminar film condensation;Koh;Int J Heat Mass Transfer 2,1961
5. Feind F. Falling films with countercurrent air flow in vertical tubes. VDI Forschungsh, 1960, 481, p. 26.