M. Clara Castellanos, S., F. Escobar, and Stevenson, P. R., ?Dung beetles (Scarabaeidae: Scarabaeinae) attracted to woolly monkey (Lagothrix lagothricha Humboldt) dung at Tinigua National Park, Colombia?, The Coleopterists Bulletin, vol. 53, pp. 155-159, 1999.