Norin, Sergey, and Raphael Steiner. “Defective Coloring of Blowups”. The Electronic Journal of Combinatorics 33, no. 1 (January 23, 2026): P1.17. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v33i1p17.