1. A Study of Oil Displacement on Model Surfaces;Basu;J. Colloid Interface Sc.,1996
2. AOSTRA Tech. Pub. Series #4;Bichard,1987
3. Bowman , C. W. Molecular and Interfacial Properties of Athabasca Tar Sands 1967 583 604
4. CAPP www.capp.ca/raw.asp?x=1&dt=NTV&e=PDF&dn=103586 2006