@misc{indiciae40fc2fce4836,
  title = {On the expected relationships among apparent stress, static stress drop, effective shear fracture energy, and efficiency},
  author = {N.M. Beeler and T.-F. Wong and S.H. Hickman},
  year = {2003},
  doi = {10.1785/0120020162},
  url = {https://pubs.usgs.gov/publication/70025418},
  note = {Source identifier: 70025418}
}