Daniel Weiskopf Ute Kraus Hanns Ruder Searchlight and Doppler effects in the visualization of special relativity: a corrected derivation of the transformation of radiance. 278-292 1999 18 ACM Trans. Graph. 3 http://doi.acm.org/10.1145/336414.336459 db/journals/tog/tog18.html#WeiskopfKR99