@misc{indiciae0068559097da,
  title = {Voyager spacecraft system study phase B, task D. Volume 2 - Mission/system requirements and analyses Final technical report, 16 Jun. - 16 Oct. 1967},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680009627},
  note = {Source identifier: 19680009627}
}