@unpublished{DW00,
  author  = {Eelco Dolstra and Hedzer Westra},
  title   = {Transformaties op {Mondrian} met {Stratego}},
  note    = {Term paper (in dutch) \url{http://www.cs.uu.nl/~visser/ftp/DW00.pdf} Utrecht University},
  month   = {July},
  year    = 2000,
  project = {Stratego},
}