Bastian, Mathieu, Sebastien Heymann, and Mathieu Jacomy. 2009. “Gephi: An Open Source Software for Exploring and Manipulating Networks”. Proceedings of the International AAAI Conference on Web and Social Media 3 (1):361-62. https://ojs.aaai.org/index.php/ICWSM/article/view/13937.