@inproceedings{BroekGN08,
  title = {Elimination of Constraints from Feature Trees},
  author = {Pim van den Broek and Ismênia Galvão and Joost Noppen},
  year = {2008},
  tags = {constraints},
  researchr = {https://researchr.org/publication/BroekGN08},
  cites = {0},
  citedby = {0},
  pages = {227-232},
  booktitle = {Software Product Lines, 12th International Conference, SPLC 2008, Limerick, Ireland, September 8-12, 2008, Proceedings. Second Volume (Workshops)},
  editor = {Steffen Thiel and Klaus Pohl},
  publisher = {Lero Int. Science Centre, University of Limerick, Ireland},
  isbn = {978-1-905952-06-9},
}

@inproceedings{BroekG09,
  title = {Analysis of Feature Models using Generalised Feature Trees},
  author = {Pim van den Broek and Ismênia Galvão},
  year = {2009},
  url = {http://www.vamos-workshop.net/proceedings/VaMoS_2009_Proceedings.pdf},
  tags = {analysis},
  researchr = {https://researchr.org/publication/BroekG09},
  cites = {0},
  citedby = {0},
  pages = {29-35},
  booktitle = {Third International Workshop on Variability Modelling of Software-Intensive Systems, Seville, Spain, January 28-30, 2009. Proceedings},
  editor = {David Benavides and Andreas Metzger and Ulrich W. Eisenecker},
  volume = {29},
  series = {ICB Research Report},
  publisher = {Universität Duisburg-Essen},
}