@misc{indiciaed4f09abd1d8d,
  title = {Lunar surface mechanical properties},
  author = {Batterson, S. A. and Choate, R. and Christensen, E. M. and Hutton, R. E. and Jaffe, L. D. and Jones, R. H. and Ko, H. Y. and Spencer, R. L. and Sperling, F. B.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680028777},
  note = {Source identifier: 19680028777}
}