Guido Reina Sven Lange-Last Klaus D. Engel Thomas Ertl Guided Navigation in Task-Oriented 3D Graph Visualizations. 26-33 2003 conf/tpcg/2003 TPCG http://csdl.computer.org/comp/proceedings/tpcg/2003/1942/00/19420026abs.htm db/conf/tpcg/tpcg2003.html#ReinaLEE03