ROOKMAAKER, K. On the alleged presence of the two-horned Sumatran rhinoceros and the one-horned Javan rhinoceros in the Himalayan kingdom of Bhutan. Pachyderm, [S. l.], v. 57, p. 116–117, 2016. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/399. Acesso em: 6 may. 2024.