@inproceedings{SaSZS09,
  author    = {U. Sattler and
               T. Schneider and
               M. Zakharyaschev},
  title     = {Which Kind of Module Should {I} Extract?},
  booktitle = {Proceedings 22nd Int. Workshop on Description Logics (DL)},
  year      = {2009},
  ee        = {http://ceur-ws.org/Vol-477/paper_33.pdf},
  crossref  = {DL2009},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DL2009,
  title     = {Proceedings of the 22nd International Workshop on
               Description Logics (DL 2009), Oxford, UK, July 27-30, 2009},
  booktitle = {Proceedings 22nd Int. Workshop on Description Logics (DL)},
  publisher = {CEUR-WS.org},
  series    = {CEUR Workshop Proceedings},
  volume    = {477},
  year      = {2009},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}