Fowler/Zarcone, Craving and Sensitization Models, KU# 19080, Correspondence, June 1, 1998, Box: 29, Folder: 19. University of Kansas Schiefelbusch Institute for Life Span Studies records, RG 35. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/453097 Accessed July 10, 2025.