@InProceedings{isfv08-botchen,
  author = {Ralf P. Botchen and Andreas Lauser and Daniel Weiskopf and Thomas Ertl},
  title  = {{Flow Feature Visualization Using Logical Operators on Multivariate Fields}},
  year   = {2008},
  pages  = {Electronic },
  booktitle = {{Electronic Proceedings International Symposium on Flow Visualization '08}}
}