@Booklet{	  brevetto-korea,
  author	= "Alberto Broggi AND Pietro Cerri AND Ho-gi Jung",
  title		= "Apparatus, Method for Detecting Critical Areas and
		  Pedestrian Detection Apparatus using the Same",
  number	= "20090303026",
  year		= 2009,
  month		= dec,
  url		= "http://www.freepatentsonline.com/y2009/0303026.html",
  note		= "United States Patent Office, Publication nr.
		  US20090303026, Publication date: 2009-12-10"
}