LOPPNOW, M. Pre-Press and Technical Support Technician. Cartographic Perspectives, [S. l.], n. 50, p. 47–50, 2005. DOI: 10.14714/CP50.417. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp50-loppnow. Acesso em: 6 may. 2024.