@misc{indiciae2241962d50a3,
  title = {Consideration of sample return and the exploration strategy for Mars},
  author = {Bogard, D. C. and Duke, M. B. and Gibson, E. K. and Minear, J. W. and Nyquist, L. E. and Phinney, W. C.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790019931},
  note = {Source identifier: 19790019931}
}