1. L. S. TONG, Boiling Heat Transfer and Two-Phase, pp. 76–110, John Wiley & Sons, Inc., New York (1965).
2. G. B. WALLIS, One Dimensional Two-Phase Flow, pp. 282–290, McGraw-Hill Book Company, New York (1969).
3. L. G. NEAL, “An Analysis of Slip in Gas-Liquid Flow Applicable to the Bubble and Slug Flow Regimes,” Kjeller Report, Norway (Dec. 1963).
4. N. M. AYBERS and A. TAPUCU, “The Motion of Gas Bubbles Rising Through Stagnant Liquid,” Warme- und stoffubertragung Bd. 2, pp. 118–128 (1969).