WATKIN, J.; HILLMAN-SMITH, A. A simple method for the analysis of stratified aerial sample counts. Pachyderm, [S. l.], v. 25, n. 1, p. 106–107, 1998. DOI: 10.69649/pachyderm.v25i1.936. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/936. Acesso em: 27 apr. 2026.