T. E. Neet, Bendix Corporation, Kansas City Division, unpublished work.
2.
Calvin J Benning., Plastic Foams, Volume 1: "Chemistry and Physics of Foam Formation,"New York: John Wiley & Sons , 1969, pp. 119-121.
3.
S.L. DeGisi and T.E. Neet, "Effect of Amine Catalysts on the Physical Properties of a Rigid Urethane Foam System,"Journal of Cellular Plastics, Volume 7, Number 4, July/August, 1971, pp. 165-201.
4.
S.L. DeGisi and T.E. Neet, "Effect of Amine Catalysts on the Compressive Properties of Urethane Foam,"Journal of Cellular Plastics , Volume 9, Number 4, July/August, 1973, pp. 174-181.
5.
Calvin J. Benning, Plastics Foams, Volume 2: "Structure Properties and Applications,"New York: John Wiley & Sons , 1969, p. 28.