@techreport{verelst.2,
  added-at = {2009-12-17T23:44:12.000+0100},
  author = {Verelst, Jan},
  biburl = {http://www.bibsonomy.org/bibtex/20f1b82670ce2ffc3379fcbf3ca57b2f7/hidders},
  description = {bibrem upload},
  interhash = {3dc946676ae40d547cce44b474a44e8e},
  intrahash = {0f1b82670ce2ffc3379fcbf3ca57b2f7},
  keywords = {conceptual-modeling variability},
  timestamp = {2009-12-17T23:44:12.000+0100},
  title = {A Framework for Classifying Variability in Conceptual Models},
  year = 2004
}