Higuchi et. al, "Hyrolytic Behavior of Some Alkyl-Substituted Succinanils,", 1966, Box: 10, Folder: 154. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124578 Accessed May 18, 2024.