Di Battista, Giuseppe, Claudio Squarcella, and Wolfgang Nagele. “How to Visualize the K-Root Name Server”. Journal of Graph Algorithms and Applications 16, no. 3 (September 1, 2012): 675–699. Accessed December 7, 2025. https://jgaa-v5.cs.brown.edu/index.php/jgaa/article/view/paper267.