@misc{indiciae53f16e715e3b,
  title = {Gravitational redshift space-probe experiment},
  author = {Vessot, R. F. C. and Levine, M. W.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800011717},
  note = {Source identifier: 19800011717}
}