@article {BSH12a, title = {Detection of Outer Rotations on 3D-Vector Fields with Iterative Geometric Correlation}, journal = {5th conference on Applied Geometric Algebras in Computer Science and Engineering}, year = {2012}, address = {La Rochelle, France}, url = {http://www.informatik.uni-leipzig.de/~bujack/outer3D.pdf}, author = {Roxana Bujack and Gerik Scheuermann and Eckhard Hitzer} }