1. and U.S. Pat. 3,630,689 (1971).
2. and ?Experimental Study of Residence Time Distribution in Plasticating Screw Extruders,? presented 78th AIChE Nat. Meeting, Salt Lake City (August 20, 1974).
3. Dispersion of soluble matter in solvent flowing slowly through a tube
4. and ?A Finite-Stage Model for Highly Assymetric Residence Time Distributions,? AIChE Conf., Denver (June 28, 1961).