STOLL, J. W. Shareware and Public Domain Software for Cartographic Applications. Cartographic Perspectives, [S. l.], n. 16, p. 19–20, 1993. DOI: 10.14714/CP16.958. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp16-stoll. Acesso em: 21 sep. 2024.