Siegel, R. A., and N. B. Ford. Pages 210-252 in R. A. Siegel, J. T. Collins, and S. S. Novak, editors. Simpson, B. B. 1975. Pleistocene changes in the flora of the high tropical Andes. Sprigg, W. A. 1996.
Doctors watch the forecasts.
Starrett, P. 1967. Observations on the life history of frogs of the family Atelopodidae. Starrett, P. H., and J. M. Savage. Stebbins, R. C., and N. W. Cohen. A natural history of amphibians.