Autor: |
Naah JSN; Geographical Institute, University of Cologne, Otto-Fischer Straße 4, D-50674 Cologne, Germany. Electronic address: jeanlebaptist@yahoo.co.uk., Guuroh RT; Geographical Institute, Centre for Remote Sensing of Land Surfaces, University of Bonn, Walter-Flex-Straße 3, D-53113 Bonn, Germany., Linstädter A; Botanical Institute, University of Cologne, Zuelpicher Straße 47b, D-50674 Cologne, Germany; Center for Development Research (ZEF), University of Bonn, Walter-Flex-Straße 3, D-53113 Bonn, Germany. |