SONG, Ha Yoon. A Method of Mobile Base Station Placement for High Altitude Platform Based Network with Geographical Clustering of Mobile Ground Nodes. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 36, n. 2, p. 22–33, 2009. DOI: 10.26636/jtit.2009.2.922. Disponível em: https://www.jtit.pl/jtit/article/view/922. Acesso em: 12 oct. 2026.