MARRASSINI, P. Frustula nagranitica. Aethiopica, [S. l.], v. 14, n. 1, p. 7-32, 2011. DOI: 10.15460/aethiopica.14.1.412. Disponível em: https://journals.sub.uni-hamburg.de/aethiopica/article/view/412. Acesso em: 4 aug. 2020.