@Article{npg-12-311-2005,
AUTHOR = {Knopf, B. and Held, H. and Schellnhuber, H. J.},
TITLE = {Forced versus coupled dynamics in Earth system modelling and prediction},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {12},
YEAR = {2005},
NUMBER = {2},
PAGES = {311--320},
URL = {http://www.nonlin-processes-geophys.net/12/311/2005/},
DOI = {10.5194/npg-12-311-2005}
}