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. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/916. Acesso em: 22 jul. 2024.