"The Lagged Logistic Equation as a Model of Sporadic Conflict." in Dina A. Zinnes, ed. Conflict Processes and the Breakdown of International Systems. Merriam Seminar Series on Research Frontiers, University of Denver Monograph Series in World Affairs 20,2, 1983

"The Lagged Logistic Equation as a Model of Sporadic Conflict." in Dina A. Zinnes, ed. Conflict Processes and the Breakdown of International Systems. Merriam Seminar Series on Research Frontiers, University of Denver Monograph Series in World Affairs 20,2, 1983, Box: 9, Folder: 5. Personal papers of Philip Schrodt, PP 496. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/114046 Accessed December 24, 2025.