T. Gerrits, C. Rössl and H. Theisel

@ARTICLE{Gerrits:2018:EuroVis,
title = {An Approximate Parallel Vectors Operator for Multiple Vector Fields},
author = {Gerrits, T. and R{\"o}ssl, C. and Theisel, H.},
journal = {Computer Graphics Forum (Proc. EuroVis)},
year = {2018},
volume = {37},
number = {3},
pages = {315--326}
}