Higuchi et. al, "Diffusion of Phenol in the Presence of a Complexing Agent, Tetrahydrofuran,", 1983, Box: 10, Folder: 92. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124516 Accessed June 16, 2024.