1. Ab’Saber AN (1977) Os domínios morfoclimáticos da América do Sul. Geomorfologia 52:1–21
2. Ab’Saber AN (2000) Spaces occupied by the expansion of dry climates in South America during the Quaternary ice ages. Rev I Geol 21:71–78
3. Andrade CAC, Vieira RD, Ananina G, Klaczko LB (2009) Evolution of the male genitalia: morphological variation of the aedeagi in a natural population of Drosophila mediopunctata. Genetica 135:13–23
4. Barrowclough GF, Flesness NR (1996) Species, subspecies, and races: the problem of units of management in conservation. In: Kleiman DG, Allen ME, Thompson KV, Lumpkin S, Harris H (eds) Wild mammal in captivity: principles and techniques. University of Chicago Press, Chicago, pp 247–254
5. Bigarella JJ, Andrade-Lima D, Riehs PJ (1975) Considerações a respeito das mudanças paleoclimáticas na distribuição de algumas espécies vegetais e animais no Brasil. An Acad Bras Cienc 41:411–464