Barry G. Becker Nelson L. Max David A. Lane Unsteady Flow Volumes. 329-335 1995 conf/visualization/1995 IEEE Visualization https://doi.org/10.1109/VISUAL.1995.485146 https://doi.ieeecomputersociety.org/10.1109/VISUAL.1995.485146 http://dl.acm.org/citation.cfm?id=833882 db/conf/visualization/visualization1995.html#BeckerML95