@Article{pp2003_vp,
  author =	 {D{\'a}niel Varr{\'o} and Andr{\'a}s Pataricza},
  title =	 {{UML Action Semantics} for Model Transformation Systems},
  journal =	 {Periodica Politechnica},
  year =	 {2003},
  OPTkey =	 {},
  OPTvolume =	 {},
  OPTnumber =	 {},
  OPTpages =	 {},
  OPTmonth =	 {},
  note =	 {In press},
  OPTannote =	 {}
}