@InProceedings{csts,
  author =	 {Sudarshan S. Chawathe},
  title =	 {Distributing the Cost of Securing a Transportation
                  Infrastructure},
  booktitle =	 {Proceedings of the 4th IEEE Intelligence and
                  Security Informatics Conference (ISI)},
  year =	 2006,
  address =	 {San Diego, California},
  month =	 may,
  day =	         {23--24},
  pages =	 {596--601}
}