Sikiric, Mathieu Dutour, and Tysakowska, Magdalena. “On the Structure of Two-Periodic Cube Tilings of the 4-Dimensional Euclidean Space”. Utilitas Mathematica 113 (November 9, 2019). Accessed May 7, 2026. https://utilitasmathematica.com/index.php/Index/article/view/1381.