Bojarski, Jacek, Andrzej Piotr Kisielewicz, and Krzysztof Przesławski. “Nearly Neighbourly Families of Standard Boxes”. The Electronic Journal of Combinatorics 26, no. 4 (December 6, 2019): P4.44. Accessed March 17, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i4p44.