@InProceedings{	  iv98-1,
  author	= "Massimo Bertozzi AND Alberto Broggi AND Alessandra
		  Fascioli",
  title		= "{An extension to the Inverse Perspective Mapping to handle
		  non-flat roads}",
  booktitle	= "Procs. IEEE Intelligent Vehicles Symposium`98",
  year		= 1998,
  pages		= "305--310",
  address	= "Stuttgart, Germany",
  month		= oct
}