@misc{indiciae9b3da721fcee,
  title = {Prediction of nonlinear soil effects},
  author = {S. Hartzell and L.F. Bonilla and R. A. Williams},
  year = {2004},
  doi = {10.1785/012003256},
  url = {https://pubs.usgs.gov/publication/70026598},
  note = {Source identifier: 70026598}
}