Tyburec, Marek, and Jan Zeman. “OPTIMIZATION-BASED APPROACH TO TILING OF FINITE AREAS WITH ARBITRARY SETS OF WANG TILES”. Acta Polytechnica CTU Proceedings 13 (November 13, 2017): 135–141. Accessed May 3, 2024. https://ojs.cvut.cz/ojs/index.php/APP/article/view/4651.