Higuchi et. al, "The Physics of Tablet Compression, III. Design and Construction of an Instrumented Tableting Machine,", 1954, Box: 11, Folder: 42. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124676 Accessed December 21, 2024.