Noboru Abe and Yoshinori Amai and Toshinori Nakatake and Sumio Masuda and Kazuaki Yamaguchi, An Algorithm for the Map Labeling Problem with Two Kinds of Priorities. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2014, vol. 89(5). 802 - 805 [viewed 23 September 2024]. Available from: https://publications.waset.org/pdf/9998264.