Author: Dean Current, Ernst Lutz, Sara J. Scherr, Centro Agronómico Tropical de Investigación y Enseñanza, International Food Policy Research Institute, World Bank
Author: Michael B Bottorff, William E Evans, Ingrid Hillebrand, Bodo Junge, Lutz Müller, Walter Puls, Delf D Schmidt, Ernst Truscheit, Horst Will (auth.)