@misc{indiciae1377e20c74e5,
  title = {Two Formal Gas Models For Multi-Agent Sweeping and Obstacle Avoidance},
  author = {Kerr, Wesley and Spears, Diana and Spears, William and Thayer, David},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20050137692},
  note = {Source identifier: 20050137692}
}