4H Mukherjee,J P Brill.Empricical Equations to Predict Flow Patterns in Two-Phase Inclined Flow.International Journal of Multiphase Flow,1985,11(10):299-315
5A E Dukler,M Wicks,R G Cleveland.Frictional Pressure Drop in Two-Phase Flow.A.T.Ch.E.J,1964,10(1):47-55