SERVÍN, Jorge. Duration and frecuency of chorus howling of the mexican wolf (Canis lupus baileyi). ACTA ZOOLÓGICA MEXICANA (N.S.), [S. l.], n. 80, p. 223–231, 2000. DOI: 10.21829/azm.2000.80801902. Disponível em: https://azm.ojs.inecol.mx/index.php/azm/article/view/1902. Acesso em: 17 feb. 2025.