@misc{indiciaec850a4f01995,
  title = {Venus Radar Mapper (VRM): Multimode radar system design},
  author = {Johnson, William T. K. and Edgerton, Alvin T.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870007709},
  note = {Source identifier: 19870007709}
}