@conference { TSH:2001d, title = {Continuous Topology Simplification of Planar Vector Fields}, booktitle = {IEEE Visualization 2001}, year = {2001}, pages = {159 {\textendash} 166}, publisher = {IEEE Computer Society}, organization = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, author = {Tricoche, X. and Gerik Scheuermann and Hans Hagen}, editor = {Ertl, T. and Joy, K. and Varshney, A.} }