@Article{cag04-weiler,
  author = {Manfred Weiler and Thomas Klein and Thomas Ertl},
  title  = {{Direct volume rendering in {OpenSG}}},
  year   = {2004},
  pages  = {93 - 98},
  journal = "Computers and Graphics",,
  volume =       "28",,
  number =       "1",,
  month =        feb,,
  year =         "2004",,
  ISSN =         "0097-8493"
}