@InProceedings{DV02.concruise,
  author =       {Deursen, A. van and J. Visser},
  title = 	 {Building Program Understanding Tools using Visitor Combinators},
  booktitle =    {Proceedings 10th Int. Workshop on Program Comprehension,
IWPC 2002},
  year =         2002,
  publisher =    {IEEE Computer Society},
  pages =        {137--146},
  url = {http://www.cwi.nl/~arie/papers/concruise/concruise.pdf}
}

@Article{DV04.concruise,
  author = 	 {Deursen, A. van and J. Visser},
  title = 	 {Source Model Analysis Using the {JJTraveler} Visitor Combinator Framework},
  journal = 	 {Software: Practice and Experience},
  year = 	 2004,
  note =	 {Conditionally accepted for publication}
}