@conference { SBH:1999, title = {Visualizing Planar Vector Fields with Normal Component}, booktitle = {Proceedings of IEEE Visualization {\textquoteright}99}, year = {1999}, pages = {255-262}, publisher = {IEEE Computer Society Press}, organization = {IEEE Computer Society Press}, address = {Los Alamitos, CA, USA}, author = {Gerik Scheuermann and Burbach, H. and Hans Hagen}, editor = {Ebert, D. and Gross, M. and Bernd Hamann} }