R.M. Gerkin and F.E. Critchfield , SAE Paper 741022, SAE Meeting, Toronto, Oct. 1974.
9.
P.S. Carleton , J.H. Ewen Jr., T.M. Shah, E.J. Thompson, H.E. Reymore Jr. and A.A.R. Sayigh, SAE Paper 741024, SAE Meeting, Toronto, Oct. 1974.
10.
F.W. Pahl, SAE Paper 741026, SAE Meeting, Toronto, Oct. 1974.
11.
N.R. Roobol, V.R. Wenzel and J.R. Molloy, "Variables in Liquid Injection Molding of Urethanes", SPE 33rd NATEC, Atlanta, May 1975 and Modern Plastics, March 1976, pp. 58-59.
12.
R.L. McBrayer and G.J. Griffin, "Processing and Properties of a Microcellular Foam System with Low Sensitivity to Temperature", SPE NATEC , Cleveland, Oct. 1976.
13.
Chevrolet Engineering Material Standard, "Plastic-Urethane-Thermoset" CMP US 001AB.
14.
Chevrolet Engineering Material Standard, "Plastie-Urethane Thermoset" CMP US 003AB.