Rodríguez , J. and Hoenigsberg , H.F. (1987) “POPULATIONS GENETICS IN THE AMERICAN TROPICS XXVII. EXTINCTION AND RECOLONIZATION OF DEMES Vs. GENETIC VARIABILITY IN DROSOPHILA PSEUDOOBSCURA FROM COLOMBIA”, Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 16(62), pp. 93–99. doi:10.18257/raccefyn.16(62).1987.3665.