@misc{indiciae6a4548bbfca0,
  title = {On the development of a reactive sensor-based robotic system},
  author = {Hexmoor, Henry H. and Underwood, William E., Jr.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890017215},
  note = {Source identifier: 19890017215}
}