@misc{indiciae049eba959609,
  title = {Gravity anomaly detection: Apollo/Soyuz},
  author = {Vonbun, F. O. and Kahn, W. D. and Bryan, J. W. and Schmid, P. E. and Wells, W. T. and Conrad, D. T.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760011634},
  note = {Source identifier: 19760011634}
}