@inbook{publication-4797,
	address={Berlin},
	author={Stephan, K E and Friston, K J},
	booktitle={Handbook of Brain Connectivity},
	doi={10.1007/978-3-540-71512-2_10},
	editor={Jirsa, V K and McIntosh, A R},
	isbn={978-3-540-71462-0},
	issn={1860-0832 (P) 1860-0840 (E)},
	pages={303-327},
	publisher={Springer},
	series={Understanding Complex Systems},
	title={Models of effective connectivity in neural systems},
	year=2007,
}