TY - THES A1 - Olbrich, Roland T1 - Environmental Risk and Sustainability KW - Umweltgefährdung KW - Nachhaltigkeit KW - Namibia KW - Weide KW - environmental risk KW - sustainability KW - Namibia KW - rangelands Y1 - 2011 UR - http://pub-data.leuphana.de/frontdoor/index/index/docId/596 UR - https://nbn-resolving.org/urn:nbn:de:gbv:luen4-opus-142086 ER -