Higuchi et. al, "Thermodynamic Group Contributions for Hydroxyl, Amino, and Methylene Groups,", 1978, Box: 11, Folder: 130. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124764 Accessed December 30, 2024.