@conference{159,
  author = {Robert Kosara and Silvia Miksch and Helwig Hauser},
  title = {Semantic Depth of Field},
  year = {2001},
  journal = {IEEE Symposium on Information Visualization 2001 (InfoVis 2001)},
  pages = {97–104},
  publisher = {IEEE Computer Society Press},
  language = {eng},
}