1. Adsorption of sodium oleate at the interface of oil sand/aqueous solution
2. The contact angle equilibrium;Pethica;J Colloid Interface Sci,1977
3. Sen Gupta AK, Papadopoulos KD. 203 (1998) 345.
4. Surfactants in process engineering,1988
5. Somasundaran P, Grieves RB, editors. Advances in interfacial phenomena of particulate/solution/gas systems. AIChE Symposium Series, 1975; 71 AIChE Symp. Ser. 71 (1975) 124.