@techreport{TR-DCC-95-14,
  number = {DCC-95-14},
  author = {Eades, Peter and de Mendonça Neto, Cândido F. X.},
  title = {Vertex Splitting and Tension-Free Layout},
  month = {August},
  year = {1995}, 
  institution = {Department of Computer Science, University of Campinas},
  note = {In English, 11 pages.
    \par\selectlanguage{english}\textbf{Abstract}
      In this paper we discuss the ``vertex splitting'' operation.  We
      introduce a kind of ``spring algorithm'' which splits vertices to
      obtain better drawings.  We relate some experience with the
      technique.
  }
}