1. General equations and two phase flow modelling;Boure;Handbook of Multiphase Flow,1982
2. A wellbore model for two-phase flow in geothermal reservoirs;Chierici;SPE,1985
3. Vertical and inclined-flow correlations;De Gance,1970
4. Basic equations for two-phase flow modelling;Delhaye;Two-Phase Flow and Heat Transfer in the Power and Process Industries,1981
5. Vertical flow of gas and liquid mixtures in wells;Duns,1967