Cossairt, Ace, The Productivity Measurement Model for Inspection and Quality Control, NSF Grant, 1975, Box: 19, Folder: 5. 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/452768 Accessed July 19, 2025.