Milan Bradonjic Tobias Müller Allon G. Percus Coloring Geographical Threshold Graphs. 103-114 2010 12 Discrete Mathematics & Theoretical Computer Science 3 http://www.dmtcs.org/dmtcs-ojs/index.php/dmtcs/article/view/1356 db/journals/dmtcs/dmtcs12.html#BradonjicMP10