@misc{indiciaef0de68580e10,
  title = {Correlation of new hypervelocity impact data by threshold penetration relations},
  author = {Hayduk, R. J. and Gough, P. S. and Alfaro-Bou, E.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730022133},
  note = {Source identifier: 19730022133}
}