DUEHOLM, K.; PEDERSEN, A.; ULFF-MØLLER, F. High precision photogrammetric methods used in geological mapping. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 81, p. 53–56, 1977. DOI: 10.34194/rapggu.v81.7513. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/7513. Acesso em: 3 jul. 2024.