@misc{indiciaed4f6048bf016,
  title = {Venus - Ishtar gravity anomaly},
  author = {Sjogren, W. L. and Bills, B. G. and Mottinger, N. A.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840051519},
  note = {Source identifier: 19840051519}
}