@Article{xmltour,
  author =	 {Sudarshan S. Chawathe},
  title =	 {Describing and Manipulating {XML} Data},
  journal =	 {Bulletin of the IEEE Technical Committee on Data
                  Engineering},
  year =	 1999,
  volume =	 22,
  number =	 3,
  month =	 sep,
  pages =	 {3--9}
}