@misc{indiciae19755638f32e,
  title = {Surface studies},
  author = {Ayrault, G. and Burkstrand, J. and Cooper, I. and Edwards, D. and Ehrlich, G. and Foster, C. and Nishijima, M. and Polizzotti, R. and Propst, F. and Rowe, R. and Sakuri, J. and Stewart, C., Jr.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700008222},
  note = {Source identifier: 19700008222}
}