@misc{indiciae90c0aca02c77,
  title = {Third-order elastic constant C sub 111 in NaCl and KCl.},
  author = {Stanford, A. L., Jr. and Zehner, S. P.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670041489},
  note = {Source identifier: 19670041489}
}