Higuchi et. al, "Potentiometric Studies on Sodium Acetate - Sodium Perchlorate Systems in Acetic Acid,", 1954, Box: 11, Folder: 61. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124695 Accessed January 02, 2025.