@Article{DK02.fdl,
  author =       {Deursen, A. van and P. Klint},
  title =        {Domain-Specific Language Design Requires Feature
Descriptions},
  journal =      {Journal of Computing and Information Technology},
  year =         2002,
  volume = 10,
  number = 1,
  pages = {1--17},
  url = {http://www.cwi.nl/~arie/papers/fdl/fdl.pdf}
}