LARSEN, P.-H.; EDWARDS, D.; ESCHER, J. Late Silurian plant megafossils from the Peary Land Group, North Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 133, p. 107–112, 1987. DOI: 10.34194/rapggu.v133.7980. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/7980. Acesso em: 3 jul. 2024.