Higuchi et. al, "Thermodynamic Group Contributions from Ion Pair Extraction Equilibria for Use in the Prediction of Partition Coefficients. Correlation of Surface Area with Group Contributions,", 1973, Box: 11, Folder: 131. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124765 Accessed December 21, 2024.