TY  - BOOK
AU  - Steffen, W. L. 
TI  - Global change and the earth system : a planet under pressure
T2  - Global Change-the IGBP Series
SN  - 3-540-40800-2
PY  - 2004///
CY  - Berlin
PB  - Springer-Verlag
KW  - Earth SystemsEcological EraGlobal ChangeGlobal Climate ChangeGlobal SustainabilityHuman EcologyHuman ActivitiesPlanetary Geology
ER  -