Graßl, H. Potsdam Institute for Climate Impact Research and Cooperation Partners;
Schellnhuber, Hans Joachim Potsdam Institute for Climate Impact Research;
et al, Potsdam Institute for Climate Impact Research and Cooperation Partners;
Graßl, H., Schellnhuber, H. J., et al(1995): World in Transition: The Threat to Soils, (World in Transition: The Threat to Soils), Bonn : Economica.