1. The design of gas sparged devices for viscous liquid systems
2. Clift, R., J. R. Grace and M. E. Weber; Bubbles, Drops and Particles, Academic Press, New York, USA (1978)
3. Fan, L.-S. and K. Tsuchiya; Bubble Wake Dynamics in Liquids and Liquid-Solid Suspensions, Butterworth–Heinemann, Stoneham, USA (1990)
4. The prediction of bubble terminal velocities from wave theory