@misc{indiciaefcde1a6d7fe6,
  title = {Interim results of geological investigations in the vicinity of the Ergani-Maden massive copper deposits near Maden, Elazig, Turkey},
  author = {A.E. Weisseborn and Omer Oner and Metin Sengun},
  year = {1972},
  doi = {10.3133/ofr72446},
  url = {https://pubs.usgs.gov/publication/ofr72446},
  note = {Source identifier: ofr72446}
}