@Article{sosym2003_vpm,
  author =	 {D{\'a}niel Varr{\'o} and Andr{\'a}s Pataricza},
  title =	 {{VPM}: Mathematics of Metamodeling is Metamodeling
                  Mathematics},
  journal =	 {Journal of Software and Systems Modelling},
  year =	 {2003},
  OPTkey =	 {},
  OPTvolume =	 {},
  number =	 {1},
  pages =	 {1--24},
  OPTmonth =	 {},
  note =	 {In press},
  OPTannote =	 {}
}