Moraes, E. M., and F. M. Sene. “Relationships Between Necrotic Cactus Availability and Population Size in a Cactophilic <i>Drosophila</i≫ (Diptera, Drosophilidae) Located on a Sandstone Table Hill in Brazil”. Revista De Biología Tropical, vol. 51, no. 1, Mar. 2003, pp. 205–212, https://revistas.ucr.ac.cr/index.php/rbt/article/view/15655.