@mastersthesis{Dol01,
  author  = {Eelco Dolstra},
  title   = {First-class Rules and Generic Traversal for Program Transformation Languages},
  school  = {Utrecht University},
  year    = 2001,
  address = {Utrecht, The Netherlands},
  month   = {August},
  note    = {INF/SCR-2001-15},
  urlpsgz = {http://www.cs.uu.nl/people/visser/ftp/Dol01.pdf},
  project = {Stratego},
}