@misc{indiciae05ecbd630c82,
  title = {Radio science experiments - The Viking Mars Orbiter and Lander.},
  author = {Michael, W. H., Jr. and Cain, D. L. and Fjeldbo, G. and Levy, G. S. and Davies, J. G. and Grossi, M. D. and Shapiro, I. I. and Tyler, G. L.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720040714},
  note = {Source identifier: 19720040714}
}