TY - JOUR A1 - Franck, S. A1 - Bounama, C. A1 - von Bloh, W. T1 - Causes and timing of future biosphere extinction JO - Biogeosciences Discuss. J1 - BGD VL - 2 IS - 6 SP - 1665 EP - 1679 Y1 - 2005/11/07 PB - Copernicus Publications SN - 1810-6277 UR - http://www.biogeosciences-discuss.net/2/1665/2005/ L1 - http://www.biogeosciences-discuss.net/2/1665/2005/bgd-2-1665-2005.pdf ER -