Karakawa, Seigo, Ehab Morsy, and Hiroshi Nagamochi. “Minmax Tree Cover in the Euclidean Space”. Journal of Graph Algorithms and Applications 15, no. 3 (July 1, 2011): 345–371. Accessed December 25, 2024. https://jgaa.info/index.php/jgaa/article/view/paper230.