Grzegorz Karol Karch, Alexander Straub, Filip Sadlo, and Thomas Ertl. Implicit Visualization of Vector Field Topology. Proceedings of TopoInVis, 2017. [PUMA: dropit from:alexanderstraub grk2160 myown sfbtrr75 vis(us) vis-gis vis:ertl visus visus:karchgz visus:sadlofp visus:straubar]