@Article{Langelaan09Science,
  author = 	 {J. Langelaan and N. Roy},
  title = 	 {Enabling New Missions for Robotic Aircraft},
  journal = 	 {Science},
  year = 	 {2009},
  volume =	 {326},
  number =	 {5690},
  pages =	 {1642-1644},
  month =	 {December},
}