@misc{indiciae182d3aac8748,
  title = {ATD-2 Integrated Arrival/ Departure/Surface (IADS) System Software Version 4.x Releases and Notes},
  author = {Freedman, Cynthia J. and Morgan-Ruszkowski, Louise K.},
  year = {2019},
  url = {https://ntrs.nasa.gov/citations/20190031932},
  note = {Source identifier: 20190031932}
}