Klimawandel und der Untergang von Hochkulturen Was lehrt uns die Geschichte? Gerold Gerhard Heftet / 2021 / Tysk
Land Use, Nature Conservation and the Stability of Rainforest Margins in Southeast Asia Gerold Gerhard Heftet / 2010 / Engelsk
Land Use, Nature Conservation and the Stability of Rainforest Margins in Southeast Asia Gerold Gerhard Innbundet / 2003 / Engelsk
