@misc{indiciae1721b7795ce5,
  title = {Alternative Architectures for Distributed Cooperative Problem-Solving in the National Airspace System},
  author = {Smith, Phillip J. and Billings, Charles and McCoy, C. Elaine and Orasanu, Judith},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20020025989},
  note = {Source identifier: 20020025989}
}