1. Immobilized Leucine Aminopeptidase Applications in Protein Chemistry
2. L. K. Ferrier, T. Richardson, N. F. Olson, C. L. Hicks, presented at 66th Annual Meeting, AMERICAN DAIRY SCIENCE ASSOC. Michigan State University, June 1971.
3. Pepsin insolubilized by covalent attachment to glass: Preparation and characterization
4. “Enzyme Engineering”;Weetall,1972
5. W. H. Pitcher, Jr., H. H. Weetall. Presented at the AMERICAN CHEM. SOC. CHEM. ENGINEERING SYMPOSIUM, Purdue University, January 1974.