TY - JOUR A1 - Veit, H. T1 - Environmental changes and pre-Columbian human influence in the Amazon region – an introduction JO - Geogr. Helv. J1 - GH VL - 66 IS - 3 SP - 162 EP - 163 Y1 - 2012/12/18 PB - Geographisch-Ethnographische Gesellschaft Zürich SN - 2194-8798 UR - https://gh.copernicus.org/articles/66/162/2011/ L1 - https://gh.copernicus.org/articles/66/162/2011/gh-66-162-2011.pdf DO - 10.5194/gh-66-162-2011 ER -