*{{citation | doi = 10.1109/2945.841119| last1 = Herman | first1 = Ivan | last2 = Melançon | first2 = Guy | last3 = Marshall | first3 = M. Scott | journal = IEEE Transactions on Visualization and Computer Graphics | pages = 24–43| title = Graph Visualization and Navigation in Information Visualization: A Survey | issue = 1 | volume = 6 | year = 2000 }}. | *{{citation | doi = 10.1109/2945.841119| last1 = Herman | first1 = Ivan | last2 = Melançon | first2 = Guy | last3 = Marshall | first3 = M. Scott | journal = IEEE Transactions on Visualization and Computer Graphics | pages = 24–43| title = Graph Visualization and Navigation in Information Visualization: A Survey | issue = 1 | volume = 6 | year = 2000 }}. |