McPherson, A. B. “A New Subspecies of the Squirrel <i>Sciurus variegatoides</i≫ Ogilby from Costa Rica”. Revista de Biología Tropical 19, no. 1-2 (December 1, 1971): 191–194. Accessed December 20, 2024. https://revistas.ucr.ac.cr/index.php/rbt/article/view/27526.