@misc{indiciaecc0080532f3a,
  title = {Statistical analysis of persistent explosive activity at Stromboli, 1971 - Implications for eruption prediction},
  author = {Settle, M. and Mcgetchin, T. R.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810057724},
  note = {Source identifier: 19810057724}
}