@misc{indiciae628422fc5ccd,
  title = {The Planetary Ephemeris Program: Capability, Comparison, and Open Source Availability},
  author = {John F. Chandler and James B. R. Battat and Thomas W. Murphy and Daniel Reardon and Robert D. Reasenberg and Irwin I. Shapiro},
  url = {https://ntrs.nasa.gov/citations/20071126109113},
  note = {Source identifier: 20071126109113}
}