@misc{indiciae221a2f47b73a,
  title = {Viking '75 spacecraft design and test summary. Volume 3: Engineering test summary},
  author = {Holmberg, N. A. and Faust, R. P. and Holt, H. M.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810002594},
  note = {Source identifier: 19810002594}
}