By Manahan, Stanley, Manahan, Stanley E., Stanley Manahan (University of Missouri, Department of Chemistry, Columbia, USA), Stanley E. Manahan (University of Missouri
By Daniel Lednicer (Analytical Bio-Chemistry Laboratories, Inc., Columbia, Missouri), Lester A. Mitscher (The University of Kansas School of Pharmacy, Lawrence, Kansas)
By Theodore T. Kozlowski (College of Natural Resources, University of California, Berkeley, U.S.A.), Stephen G. Pallardy (School of Natural Resources, University of Missouri, Columbia, USA)