@misc{indiciae40b6f38cffda,
  title = {Very long baseline interferometry using a radio telescope in Earth orbit},
  author = {Ulvestad, J. S. and Edwards, C. D. and Linfield, R. P.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870008511},
  note = {Source identifier: 19870008511}
}