@conference { WS:2003b,
	title = {3D Loop Detection and Visualization in Vector Fields},
	booktitle = {Visualization and Mathematics III},
	year = {2003},
	pages = {151-162},
	publisher = {Springer},
	organization = {Springer},
	address = {Berlin, Germany},
	author = {Wischgoll, T. and Gerik Scheuermann},
	editor = {Hege, H.-C. and Polthier, K.}
}
