@article{publication-1715,
	author={Stephan, K E and Kasper, L and Harrison, L M and Daunizeau, J and den Ouden, H E M and Breakspear, M and Friston, K J},
	doi={10.1016/j.neuroimage.2008.04.262},
	issn={1053-8119},
	journal={NeuroImage},
	number=2,
	pages={649-662},
	publisher={Elsevier},
	title={Nonlinear dynamic causal models for fMRI},
	volume=42,
	year=2008,
}