@misc{indiciaea1070f06960b,
  title = {Informal notes; Workshop on the Application of Isotope Systems to Geological Problems},
  author = {R. A. convened by Ayuso and K. J. Schulz},
  year = {1992},
  doi = {10.3133/ofr92525},
  url = {https://pubs.usgs.gov/publication/ofr92525},
  note = {Source identifier: ofr92525}
}