Higuchi and Kostenbauder, "Formation of Molecular Complexes by Some Water-Soluble Amides. I. Interaction of Several Amides With p-Hydroxybenzoic Acid, Chloramphenicol, and Phenol,", 1956, Box: 10, Folder: 142. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124566 Accessed May 18, 2024.