M. ORDÓÑEZ, A. ARENAS, L. A. BETANCOURT, and M. M. DE POLANCO, “Electrophoretlc analysis of the evolutionary relations in Drosophila species (Díptera: Drosophilidae) of the cluster martensis: D. martensis, D. starmeri and D. uniseta”, Rev. Colomb. Entomol., vol. 30, no. 1, pp. 65–74, Jun. 2004.