1. -.“Technical Data Book-Petroleum Refining”, 3rd ed., American Petroleum Institute, Washington D.C. (1976).
2. Bowman, C. W., “Molecular and Interfacial Properties of Athabasca Tar Sands”, 7th World Petroleum Congress, Mexico (1967).
3. Boyd, M. L. and D. S. Montgomery, “A Study of the Athabasca Bitumen from the Abasand Quarry, Alberta, Canada. Part I: Early History, Analysis of the Bituminous Sand and Isolation and Structural Analysis of the Asphaltene Fraction”, Mines Branch Research Report R78, Department of Mines and Technical Surveys, Ottawa (1961a).
4. Boyd, M. L. and D. S. Montgomery, “A Study of the Athabasca Bitumen from the Abasand Quarry, Alberta, Canada. Part II: The Initial Chromatographic Separation of the Pentane Extract and the Structure and Properties of the Resinous Components”, Mines Branch Research Report R88, Department of Mines and Technical Surveys, Ottawa (1961b).
5. Boyd, M. L. and D. S. Montgomery, “A Study of the Athabasca Bitumen from the Abasand Quarry, Alberta, Canada. Part III: Chromatographic Separation of the Oil Fraction, and Properties and Structure of the Oil Components, Mines Branch Research Report R104, Department of Mines and Technical Surveys, Ottawa (1962).