@misc{indiciaecb201b9ee507,
  title = {A special issue devoted to massive sulfide deposits of the Appalachian-Caledonian orogen. Preface.},
  author = {J. E. Gair and F.M. Vokes},
  year = {1984},
  url = {https://pubs.usgs.gov/publication/70013964},
  note = {Source identifier: 70013964}
}