Perez-Rojas, Sebastian Enrique, and Adriana Jerez. “Comparative Integumentary Morphology in Four Species of Pipa (Anura: Pipidae) from Colombia”. Papéis Avulsos de Zoologia 62 (February 8, 2022): e202262008. Accessed February 17, 2025. https://revistas.usp.br/paz/article/view/174652.