MIXON, C. H. Cataloging Sheet Maps, the Basics. Cartographic Perspectives, [S. l.], n. 47, p. 61–63, 2004. DOI: 10.14714/CP47.474. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp47-mixon. Acesso em: 29 apr. 2024.