1. Aqueous surfactant solution which exhibit ultra-low tensions at oil–water interface;Dunlap-Wilson;J. Coll. Sci.,1977
2. S.L. Wellington, E.A. Richardson, Low Surfactant Concentration Enhanced Waterflooding, SPE 30748, 1995.
3. Surfactant monolayers at oil–water interfaces;Binks;Chem. Ind.,1993
4. T. Maldal, E. Gilje, T. Karstad et al., Planning and Development of Polymer Assisted Surfactant Flooding for the Gullfaks Field, Norway, SPE/DOE 35378, 1996, p. 313.