Genon, Nicolas, Raimundas Matulevicius, Vincent Englebert, and Patrick Heymans. “Positioning Map: A Visual Technique to Improve the Layout of Diagram Contextual Information”. Electronic Communications of the EASST 13 (September 12, 2008). Accessed August 1, 2025. https://www.eceasst.org/index.php/eceasst/article/view/1477.