Studies on Mexican populations of Drosophila pseudoobscura. - Levine, L.; Olvera, O.; Powell, J.R.; Rockwell, R.F.; de la Rosa, M.E.; Salceda, V.M.; Anderson, W.W.; Guzman, J. (Genetics of natural populations: The continuing importance of Theodosius Dobzhansky., 1995)