@misc{indiciaed83769b60e29,
  title = {Lahar Hazards at Concepción volcano, Nicaragua},
  author = {J.W. Vallance and S. P. Schilling and G. Devoli and M.M. Howell},
  year = {2001},
  doi = {10.3133/ofr01457},
  url = {https://pubs.usgs.gov/publication/ofr01457},
  note = {Source identifier: ofr01457}
}