Boninsegna, J.A., Argollo, J., Aravena, J.C., Barichivich, J., and others, 2009 “Dendroclimatological reconstructions in South America: a review.” Palaeogeography, Palaeoclimatology, Palaeoecology 281, doi:10.1016/j.palaeo.2009.07.020 210-228