@misc{indiciae4e5eee5d1016,
  title = {Porphyry copper and other intrusion-related mineralization in Mexico},
  author = {Mark D. Barton and John-Mark G. Staude and Lukas Zurcher and Peter K. M. Megaw},
  year = {1995},
  url = {https://pubs.usgs.gov/publication/70212533},
  note = {Source identifier: 70212533}
}