@article{KonczakLinkeSchaub2003,
  author    = {Konczak, Kathrin and Linke, Thomas and Schaub, Torsten H.},
  title     = {Graphs and colorings for answer set programming : abridged report},
  issn      = {1613-0073},
  year      = {2003},
  language  = {en}
}