1. Zhang, P.Water-based EOR in Fractured Chalk — Wettability and Chemical Additives; Ph.D. Thesis,University of Stavanger:Norway, 2006; ISBN: 82−7644−293−5.
2. Høgnesen, E. J.EOR in Fractured Oil−Wet Chalk — Spontaneous Imbibition of Water by Wettability Alteration;Dr. Ing. Thesis,University of Stavanger: 2005C,
3. Puntervold, T.Waterflooding of Carbonate Reservoirs — EOR by Wettability Alteration;PhD Thesis,University of Stavanger:Norway, 2008; ISBN 978−82−7644−347−9.
4. Standnes, D. C.Enhanced Oil Recovery from Oil-Wet Carbonate Rock by Spontaneous Imbibition of Aqueous Surfactant Solutions;Dr. Ing. Thesis,NTNU:Norway, 2001.
5. Strand, S.Wettability Alteration in Chalk - A Study of Surface Chemistry;Dr. Ing. Thesis,University of Stavanger: 2005.