1. Lane, W. R. & Green, H. L. 1956 The mechanics of drops and bubbles; article in Surveys in Mechanics ,Cambridge University Press.
2. Saffman, P. G. 1956 On the rise of small air bubble in water,J. Fluid Mech.,1,249–275.
3. Bryn, T. 1949 Speed of rise of air bubbles in liquids,David Taylor Model Basin, Translation no. 132.
4. Datta, R. L. , Napier, D. H. & Newitt, D. M. 1950 The properties and behaviour of gas bubbles formed at a circular orifice,Trans. Instn Chem. Engrs.,28,14–26.
5. Stuke, B. 1952 Das Verhalten die Oberfläche von sich in Flüssigkeiten bewegenden Gasblasen,Naturwissenschaften,39,325–326.