Higuchi et. al, "Investigation and Development of Protective Ointments II. Influence of Partition Coefficient and Thinkness,", 1957

Higuchi et. al, "Investigation and Development of Protective Ointments II. Influence of Partition Coefficient and Thinkness,", 1957, Box: 10, Folder: 179. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124603 Accessed February 15, 2026.