Author: Dipl.-Ing. agr. Peter Ditter, Dr. agr. Konrad Mollenhauer, Dipl.-Ing. agr. Gabriele Reger, Dipl.-Geogr. Volker Sokollek, Prof. Dr. Botho Wohlrab (auth.)
Author: R. D. Brown, M. Yokohari (auth.), Dr. Agr. Kazuhiko Takeuchi, Robert D. Brown Ph.D., Dr. Sci. Izumi Washitani, Dr. Agr. Atsushi Tsunekawa, Dr. Agr. Makoto Yokohari (eds.)