1. Entrainment measurements and their use in design equations;Asali;PhysicoChemical Hydrodynamics,1985
2. Disturbance wave frequencies, velocities and spacing in vertical annular two-phase flow;Azzopardi;Nuclear Engineering Design,1986
3. Brown, D. J., Jensen, A., & Whalley, P. B. (1975). Non-equilibrium effects in heated and unheated annular two-phase flow. ASME Paper No. 75-WA/HT-7.
4. Chan, G. T. W. C. (1990). Evaporation and condensation in annular vertical upward flow of water and steam. Ph.D. thesis, Imperial College, London, UK.
5. Gill, L. E., Hewitt, G. F., & Roberts, D. N. (1969). Studies of the behaviour of the disturbance waves in annular flow in a long vertical tube. UKAEA report no. AERE- R6012.