Kuangyu Shi Holger Theisel Tino Weinkauf Hans-Christian Hege Hans-Peter Seidel Visualizing Transport Structures of Time-Dependent Flow Fields. 24-36 2008 28 IEEE Computer Graphics and Applications 5 http://dx.doi.org/10.1109/MCG.2008.106 db/journals/cga/cga28.html#ShiTWHS08