JOHNSON, H.; NELSON, E. S. Using Flow Maps to Visualize Time-Series Data: Comparing the Effectiveness of a Paper Map Series, a Computer Map Series, and Animation. Cartographic Perspectives, [S. l.], n. 30, p. 47–64, 1998. DOI: 10.14714/CP30.663. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp30-johnson-nelson. Acesso em: 2 may. 2024.