Shigezumi, Takeya, Yushi Uno, and Osamu Watanabe. “A New Model for a Scale-Free Hierarchical Structure of Isolated Cliques”. Journal of Graph Algorithms and Applications 15, no. 5 (October 1, 2011): 661–682. Accessed December 22, 2024. https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper243.