Jens C. Trapp Hans-Georg Pagendarm Data Level Comparative Visualization in Aircraft Design. 393-396 1996 conf/visualization/1996 IEEE Visualization db/conf/visualization/visualization1996.html#TrappP96 https://doi.org/10.1109/VISUAL.1996.568140 https://doi.ieeecomputersociety.org/10.1109/VISUAL.1996.568140 http://dl.acm.org/citation.cfm?id=245674