@misc{indiciaea8813149a833,
  title = {Identifying the appropriate porphyry-copper deposit grade and tonnage model for a large-scale mineral resource assessment in southeast Asia},
  author = {Lawrence J. Drew and Donald A. Singer},
  year = {2005},
  url = {https://pubs.usgs.gov/publication/70239129},
  note = {Source identifier: 70239129}
}