Bachelet, D., Neilson, R. P., Hickler, T., Drapek, R. J., Lenihan, J. M., Sykes, M. T., Smith, B., Sitch, S., Thonicke, K. (2003): Simulating past and future dynamics of natural ecosystems in the United States. - Global Biogeochemical Cycles, 17, 2/1045, 14. Jan.https://doi.org/10.1029/2001GB001508