1. A Model for Gas-Liquid Slug Flow in Horizontal and Near Horizontal Tubes
2. Gregory, G. A., Nicholson, M. K., and Aziz, K., “Intermittent Two Phase Flow in Pipes: Detailed Flow Pattern Observations”, presented at the 27th Can. Chem. Eng. Conference, Calgary, Alberta, October (1977).
3. Gregory, G. A., Nicholson, M. K., and Aziz, K., “Intermittent Two Phase Flow in Pipes: Pressure Gradient, Liquid Holdup and Related Parameters”, presented at the 27th Can. Chem. Eng. Conference, Calgary, Alberta, October (1977).
4. Hubbard, M. G., “An Analysis of Horizontal Gas-Liquid Slug Flow”, Ph. D. Dissertation, The University of Houston, Houston, Texas (1965).
5. Average Volumetric Concentration in Two-Phase Flow Systems