@techreport{Meissner2001Higher,
  title = {Higher Quality Volume Rendering on {PC} Graphics Hardware},
  author = {Mei{\ss}ner, Michael and Guthe, Stefan and Stra{\ss}er, Wolfgang},
  institution = {{WSI}-{GRIS}},
  number = {12},
  month = {Apr},
  year = {2001}
}