1. Laminar flow at the interface of two liquids
2. THE VELOCITY DISTRIBUTION IN THE LAMINAR BOUNDARY LAYER BETWEEN PARALLEL STREAMS
3. G. L. Bata, “Frictional resistance at the interface of density currents,” Eight Congress of the Intl. Assn. for Hydraulic Research, Montreal, (August, 1959).
4. A. T. Ippen and D. Harleman, “Steady-state characteristics of subsurface flow.” Gravity Waves (Symposium), NBS Cir. 521, November, 1952, p. 79.
5. Interfacial instability and mixing in stratified flows