1. K.A. Clark, Canadian Oil and Gas Industries, September 1950.
2. K.A. Clark, Research Council of Alberta, December 1957.
3. L.G. Hepler, R.G. Smith, AOSTRA Technical Publication Series #14, Alberta Oil Sand Technology and Research Authority, Edmonton, Canada, 1994.
4. DESTABILIZATION OF WATER IN BITUMEN EMULSION BY WASHING WITH WATER
5. Encyclopedic Handbook of Emulsion Technology;Czarnecki,2001