1. (a) and ?Engineering Principles of Plasticating Extrusion? pp. 79-183, Van Nostrand Reinhold, New York (1970).
2. (b) and ?Engineering Principles of Plasticating Extrusion? p. 327, Van Nostrand Reinhold, New York (1970).
3. Fully Developed Flow in Screw Extruders. Theoretical and Experimental Study
4. (a) ed., ?Processing of Thermoplastic Materials? Chapt. 4, ?Extrusion? pp. 154-307, Reinhold, New York (1959).