@misc{indiciae7bcc837960cb,
  title = {Projectile size effects on hypervelocity impact craters in aluminum},
  author = {Denardo, B. P. and Nysmith, C. R. and Summers, J. L.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670022209},
  note = {Source identifier: 19670022209}
}