PERRY, J. M. Penn State University Libraries: Building a Literary Map for the Web. Cartographic Perspectives, [S. l.], n. 50, p. 50–52, 2005. DOI: 10.14714/CP50.418. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp50-perry. Acesso em: 14 feb. 2025.