Flammenkamp, Achim, Arthur Holshouser, and Harold Reiter. “Dynamic One-Pile Blocking Nim”. The Electronic Journal of Combinatorics 10, no. 1 (May 20, 2003): N4. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v10i1n4.