Kern, Jill Phelps, and Cynthia A. Brewer. “Automation and the Map Label Placement Problem: A Comparison of Two GIS Implementations of Label Placement”. Cartographic Perspectives, no. 60 (June 1, 2008): 22–45. Accessed May 1, 2024. https://cartographicperspectives.org/index.php/journal/article/view/cp60-kern-brewer.