1. and in ed., ?Basic Principles of Thermoforming,? p. 81, Gordon and Breach Science Publishers, N.Y. (1973).
2. and in ed., ?Basic Principles of Thermoforming,? p. 103, Gordon and Brech Science Publishers, N.Y. (1973).
3. and Tech. Papers, 28th Annual Technical Conference Society of Plastics Engineers, 29, 112 (1971).