Cairns, David, Marwan Fayed, and Hussein T. Mouftah. “The Prohibitive Link Between Position-Based Routing and Planarity”. EAI Endorsed Transactions on Mobile Communications and Applications 1, no. 3 (December 16, 2013): e2. Accessed May 8, 2024. https://publications.eai.eu/index.php/mca/article/view/1700.