@conference{148191,
  author = {Martin Herman and Tsai},
  title = {Visual Navigation Using Optical Flow},
  year = {1991},
  month = {1991-03-01},
  publisher = {NATO Defense Research Group Seminar on Robotics in the Battlefield, Paris, FR},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=820340},
  language = {en},
}