@article{christensen98:-intel-robot-system,
  annote        = {Special Issue Editorial},
  author        = {H.I. Christensen and J. Crowley},
  category      = {Journal},
  journal       = {Robotics and Autonomous Systems},
  month         = aug,
  number        = 4,
  pages         = {201--204},
  title         = {Intelligent Robotic Systems},
  volume        = 23,
  year          = 1998
}