John Dieter Stüwe Christian Lenz Gitta Domik Visualization of Geographic Data using VRML - An Internet Client for a Geographic Information System (GIS). 111-112 1998 conf/cgi/1998 Computer Graphics International http://csdl.computer.org/comp/proceedings/cgi/1998/8445/00/84450111abs.htm db/conf/cgi/cgi1998.html#StuweLD98