STRINDBERG, S. .; ERSTS, P. J.; COLLINS, T.; SOUNGUET, G.-P.; ROSENBAUM, H. C. Line transect estimates of humpback whale abundance and distribution on their wintering grounds in the coastal waters of Gabon. J. Cetacean Res. Manage., [S. l.], n. 3, p. 153–160, 2020. DOI: 10.47536/jcrm.vi3.324. Disponível em: https://journal.iwc.int/index.php/jcrm/article/view/324. Acesso em: 27 nov. 2021.