"The Viscometric Requirements for Re-refined Engine Oils", presented at the Joint Conference on Measurements and Standards for Recycled Oil/Systems Performance and Durability, Gaithersburg, MD., October 23-26, 1979. Sponsored by the National Bureau of Standards (NBS), Mechanical Failures Prevention Group (MFPG), and ASTM Tech P.
"The Relationship Between Viscometric Laboratory Measurements and Field Performance and Service," presented at the Joint Conference on Measurements and Standards for Recycled Oil/Systems Performance and Durability, Gaithersburg, Maryland, October 23-26, 1979. Sponsored by the National Bureau of Standards (NBS), Mechanical Failures Prevention Group (MFPG), and ASTM Tech P.
"Re-refined Engine Oil: Image and Reality," by T.W. Selby, presented at the 6th International Conference on Used Oil Recovery and Reuse. San Francisco, May 29, 1991.
"Marketed Engine Oils: A Comparative Analyses of Products Virgin and Re-refined Basestocks", by T.W. Selby and P.C. Casey, Savant, Inc. Presented at The American Chemical Society Base Oil Symposium in Washington, D.C. August 25-26, 1992.
"The Problems and the Opportunities in the Use and Reuse of Lubricating Oil, to Meet the Needs of Modern Engines", by T. W. Selby, presented at the International Symposium on Production and Application of Lube Base Stocks, November 23-15, 1994, in Mohkampor Dehradun, India.