@INPROCEEDINGS{Bauer/Polthier08PlanarRegions, author = {Ulrich Bauer and Konrad Polthier}, editor = {F.~Chen and Bert J{\"u}ttler}, title = {Detection of Planar Regions in Volume Data for Topology Optimization}, booktitle = {Geometry Modelling and Processing 2008}, series = {Lecture Notes in Computer Science}, volume = {4975}, publisher = {Springer Verlag}, year = 2008, pages = {119--126} }