PORWAL, S. Quad Tree-based Level-of-details Representation of Digital Globe (Short Communication). Defence Science Journal, [S. l.], v. 63, n. 1, p. 89–92, 2013. DOI: 10.14429/dsj.63.3768. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/3768. Acesso em: 16 jun. 2025.