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Coles III, Jim (June 1981). "OPFOR: Know Your Enemy". INSCOM Journal. 4 (5). U.S. Army Intelligence and Security Command: 2–4. Retrieved 6 September 2023.
Sewell, Stephen "Cookie" (July–August 1998). "Why Three Tanks"(PDF). Armor. CVII (4). Fort Knox, KY: U.S. Army Armor Center: 26. ISSN0004-2420. Retrieved 4 March 2022.