@misc{indiciaed82758733972,
  title = {Manned Venus Flyby},
  author = {Feldman, M. S. and Ferrara, L. A. and Havenstein, P. L. and Volonte, J. E. and Whipple, P. H.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19790072165},
  note = {Source identifier: 19790072165}
}