Claussen, Martin External Organizations; External Author, MPI for Meteorology, Max Planck Society;
Claussen, M., Brovkin, V., & Ganopolski, A. (2002). Africa: Greening of the Sahara. In Challenges of a Changing Earth. Proceedings of the Global Change Open Science Conference, Amsterdam, the Netherlands, 10-13 July 2001 (pp. 125-128). Heidelberg: Springer-Verlag.