@misc{indiciae60820a3f1c8a,
  title = {Dynamic fracture toughness},
  author = {Kobayashi, A. S. and Ramulu, M. and Dadkhah, M. S. and Yang, K.-H. and Kang, B. S. J.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860063158},
  note = {Source identifier: 19860063158}
}