1. D.W. Jennings, K. Weispfennig, Fluid Phase Equilib. 27, 227 (2005)
2. E. Burger, T. Perkins, J. Striegler, J. Pet. Technol. 1075, 33 (1981)
3. H.P. Roenningsen, B. Bjoerndal, A. Baltzer Hansen, W. Batsberg Pedersen, Energy Fuels 895, 5 (1991)
4. A. Hammami, M. Raines, SPE J. 9, 4 (1999)
5. J.A. Coutinho, B. Edmonds, T. Moorwood, R. Szczepanski, X. Zhang, Energy Fuels 1081, 20 (2006)