@conference { SHK:1998b,
	title = {Vector Field Topology with Clifford Algebra},
	booktitle = {Proceedings of WSCG{\textquoteright}98},
	year = {1998},
	pages = {347-353},
	publisher = {University of West Bohemia},
	organization = {University of West Bohemia},
	author = {Gerik Scheuermann and Hans Hagen and Kr{\"u}ger, H.}
}
