@misc{indiciae91e6e80ec3a8,
  title = {Three-dimensional P-wave velocity structure of Mt. Etna, Italy},
  author = {A. Villasenor and H.M. Benz and L. Filippi and G. De Luca and R. Scarpa and G. Patane and S. Vinciguerra},
  year = {1998},
  doi = {10.1029/98gl01240},
  url = {https://pubs.usgs.gov/publication/70020443},
  note = {Source identifier: 70020443}
}