@inproceedings{pinchinat98,
  author =	 "S. Pinchinat, E. Rutten, R.K. Shyamasundar",
  title =	 "Taxonomy and Expressiveness of Preemption: A
                  syntactic approach",
  booktitle =	 lncs1538,
  year =	 1998,
  pages =	 "111--125"
}