@misc{indiciae8cbd56101342,
  title = {The mass of Phobos},
  author = {Tolson, R. H. and Blackshear, W. T. and Mason, M. L. and Kelly, G. M.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780034967},
  note = {Source identifier: 19780034967}
}