@TechReport{MohnenTobies97,
   author=      "Markus Mohnen and Stefan Tobies",
   title=       "Implementing {C}ontext {P}atterns in the {G}lasgow {H}askell {C}ompiler",
   institution= "RWTH Aachen",
   year=        "1997",
   number=      "AIB-04-1997",
   url=         "http://aib.informatik.rwth-aachen.de/1997/1997-04.ps.gz"
}