ELKAN, P.; PLANTON, H.; POWELL, J.; HAIGH, J.; KARESH, W. Chemical immobilization of African elephant in lowland forest, southwestern Cameroon. Pachyderm, [S. l.], v. 25, n. 1, p. 32–37, 1998. DOI: 10.69649/pachyderm.v25i1.916. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/916. Acesso em: 27 apr. 2026.