Hoelzmann, P. Department Biogeochemical Synthesis, Prof. C. Prentice, Max Planck Institute for Biogeochemistry, Max Planck Society;
http://dx.doi.org/10.1029/1999GL900494 (Verlagsversion)
Claussen, M., Kubatzki, C., Brovkin, V., Ganopolski, A., Hoelzmann, P., & Pachur, H.-J. (1999). Simulation of an abrupt change in Saharan vegetation in the mid-Holocene. Geophysical Research Letters, 26(14), 2037-2040. doi:10.1029/1999GL900494.