@misc{indiciae99a50365f5cd,
  title = {Age of intrusion and mineralization, Pasto Bueno, northern Peru},
  author = {G. P. Landis and J. D. Obradovich and C. W. Naeser},
  year = {1989},
  doi = {10.3133/ofr89680},
  url = {https://pubs.usgs.gov/publication/ofr89680},
  note = {Source identifier: ofr89680}
}