@misc{indiciaebf49e639c087,
  title = {Precision surveying using very long baseline interferometry},
  author = {Ryan, J. W. and Clark, T. A. and Coates, R. and Ma, C. and Robertson, D. S. and Corey, B. E. and Counselman, C. C. and Shapiro, I. I. and Wittels, J. J. and Hinteregger, H. F.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770026644},
  note = {Source identifier: 19770026644}
}