@Article{ispt,
  author =	 {Daniel Zeng and Sudarshan S. Chawathe and Hua Huang
                  and Fei-Yue Wang},
  title =	 {Protecting Transportation Infrastructure},
  journal =	 {IEEE Intelligent Systems},
  volume =	 22,
  number =	 5,
  year =	 2007,
  month =	 {September/October},
  pages =	 {8-11},
  annote =	 {add details;}
}