@article{4496,
  author = {M. Vincent and Peter Bender},
  title = {Orbit determination and gravitational field accuracy for a mercury transponder satellite},
  year = {1990},
  journal = {Journal of Geophysical Research},
  volume = {95},
  pages = {21357},
  month = {Jan-01-1990},
  issn = {0148-0227},
  doi = {10.1029/JB095iB13p21357},
}