HARRINGTON, C. Message from NACIS Vice President. Cartographic Perspectives, [S. l.], n. 15, p. 1–2, 1993. DOI: 10.14714/CP15.968. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp15-harrington. Acesso em: 4 may. 2026.