@misc{indiciaee445dd016a5e,
  title = {Spacecraft-spacecraft very long baseline interferometry. Part 1: Error modeling and observable accuracy},
  author = {Edwards, C. D., Jr. and Border, J. S.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930010229},
  note = {Source identifier: 19930010229}
}