@techreport{MV81d,
  year        = {1981},
  author      = {Lambert Meertens and Hans van Vliet},
  title       = {Making {A}{L}{G}{O}{L} 68+ Texts Conform to an Operator-Priority Grammar},
  type        = {Mathematical Centre Report},
  number      = {IW 180},
  institution = {Mathematisch Centrum, Amsterdam},
  pubcat      = {techreport},
}