@misc{indiciae90b90d61b14f,
  title = {ATD-2 Integrated Arrival/Departure/Surface (IADS) System Specification - Phase 2},
  author = {Ngo, Tyler T. and Wilson, Stuart and Ong, Andrew C.},
  year = {2019},
  url = {https://ntrs.nasa.gov/citations/20190033923},
  note = {Source identifier: 20190033923}
}