@misc{indiciaeca075340b37b,
  title = {Data management study, volume 5. Appendix B - Contractor data package Planetary Quarantine /PQ/ Final report},
  author = {Johnston, W. E. and Nayor, F. S.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670031204},
  note = {Source identifier: 19670031204}
}