1. Holmes, T.L., Karr, A.E. and Baird, M.H.I., “Effect of Density Gradient in Continuous Phase on Axial Mixing”, Poster at ISEC 1990, Kyoto, Japan.
2. “Design, Scale-up and Applications of the Reciprocating Plate Extraction Column”;Karr;Separation Science and Tech,1980
3. “Amplification of the Scale-up Procedure for the Reciprocating Plate Extraction Column”;Karr;AIChE J.,1985
4. “Scale-up and Performance of 5 ft. (1.52 m) Diameter Reciprocating Plate Extraction Column”;Karr;Solvent Extr and Ion Exch,1988
5. “Extraction of Whole Fermentation Broth with Karr Reciprocating Plate Extraction Column”;Karr;Can. J. Chem. Eng.,1980