@conference {330,
	title = {Evaluation and Comparison of Force Terms for the Estimation of Lung Motion by Non-Linear Registration of 4D-CT Image Data},
	booktitle = {World Congress on Medical Physics and Biomedical Engineering},
	series = {IFMBE Proceedings},
	volume = {25/4},
	year = {2009},
	pages = {2128 - 2131},
	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_565},
	author = {Schmidt-Richberg, Alexander and Jan Ehrhardt and Werner, René and Heinz Handels},
	editor = {D{\"o}ssel, Olaf and Schlegel, Wolfgang C.}
}
