@misc{indiciaeccc90bd56735,
  title = {Venus in motion},
  author = {Anderson, J. L. and Danielson, G. E. and Evans, N. and Soha, J. M. and Belton, M. J. S.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780044377},
  note = {Source identifier: 19780044377}
}