Book Chapter
Rayner, P. J.; Giering, R.; Kaminski, T.; Menard, R.; Todling, R.; Trudinger, C.: Exercises. In: Inverse methods in global biogeochemical cycles, Vol.
114, pp. 81 - 106 (Eds. Kasibhatla, P.; Heimann, M.; Hartley, D.; Rayner, P. J.; Mahowald, N. et al.). American Geophysical Union, Washington D.C. (1999)