Journal Article AuthorD. Christie, A. Lara, J. Barichivich, R. Villalba, M.S. Morales, E. CuqYear of Publication 2009 Journal Palaeogeogr. Palaeocl. Volume 281 Pages 309-319 DOI 10.1016/j.palaeo.2007.11.013 Google ScholarDOI