1. The effect of surfactant concentration on the Amott wettability index and residual oil saturation;Alveskog;J. Pet. Sci. Eng.,1998
2. Observations relating to the wettability of porous rocks;Amott;Petroleum Transactions of AIME,1959
3. Anderson, W.G., 1987. Wettability Literature Survey — Part 6: The Effects of Wettability on Waterflooding, JPT (Dec.).
4. Bøe, R., Holt, T., Torsæter, O., 1997. An experimental study of the relationship between rock surface properties, wettability and oil production characteristics, Paper SCA-9739, Proc. 1997 Int. Symp. of the Society of Core Analysts, Calgary. Alberta, Sept. 7–10.
5. Influence of electrical surface charges on the wetting properties of crude oils;Buckley;SPE Res. Eng.,1989