@misc{indiciae4d34c1a9ce6e,
  title = {Establishing a celestial VLBI reference frame. 1: Searching for VLBI sources},
  author = {Preston, R. A. and Morabito, D. D. and Williams, J. G. and Slade, M. A. and Harris, A. W. and Finley, S. G. and Skjerve, L. J. and Tanida, L. and Spitzmesser, D. J. and Johnson, B.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780024202},
  note = {Source identifier: 19780024202}
}