%0 Journal Article
%T Environmental changes and pre-Columbian human influence in the Amazon region ¨C an introduction
%A H. Veit
%J Geographica Helvetica (GH)
%D 2012
%I Copernicus Publications
%X No abstract available.
%U http://www.geogr-helv.net/66/162/2011/gh-66-162-2011.html