@conference {299,
	title = {4D Motion Modeling: Estimation of Respiratory Motion for Radiation Therapy},
	booktitle = {World Congress on Medical Physics and Biomedical Engineering},
	series = {IFMBE Proceedings},
	volume = {25/4},
	year = {2009},
	pages = {2166 - 2169},
	publisher = {Springer, Berlin Heidelberg},
	organization = {Springer, Berlin Heidelberg},
	address = {Munich, Germany},
	isbn = {978-3-642-03882-2},
	issn = {1433-9277},
	doi = {10.1007/978-3-642-03882-2_575},
	author = {Jan Ehrhardt and Schmidt-Richberg, Alexander and Werner, René and Heinz Handels},
	editor = {D{\"o}ssel, Olaf and Schlegel, Wolfgang C.}
}
