@Article{Stentz02:AutonomousSpraying,
  author =      {Anthony Stentz and Cristian Dima and Carl Wellington and Herman Herman and David Stager},
  title =       {A System for Semi-Autonomous Tractor Operations},
  journal =     {Autonomous Robots},
  year =        {2002},
  month =       {July},
  volume =      {13},
  number =      {1},
  pages =       {87--104}
}