Daniel Weiskopf Marc Borchers Thomas Ertl Martin Falk Oliver Fechtig Regine Frank Frank Grave Andreas King Ute Kraus Thomas Müller Hans-Peter Nollert Isabel Rica Mendez Hanns Ruder Tobias Schafhitzel Sonja Schär Corvin Zahn Michael Zatloukal Explanatory and Illustrative Visualization of Special and General Relativity. 522-534 2006 12 IEEE Trans. Vis. Comput. Graph. 4 http://doi.ieeecomputersociety.org/10.1109/TVCG.2006.69 db/journals/tvcg/tvcg12.html#WeiskopfBEFFFGKKMNMRSSZZ06