@TechReport{BagnaraHZ00TRa,
  Author = "R. Bagnara and P. M. Hill and E. Zaffanella",
  Title = "Efficient Structural Information Analysis for Real {CLP} Languages",
  Year = 2000,
  Institution = "Dipartimento di Matematica, Universit\`a di Parma",
  Note = "Available at \url{http://www.cs.unipr.it/~bagnara/}",
  Type = "Quaderno",
}