@misc{indiciae0c3d153906c1,
  title = {The distributions and relationships of grade and tonnage among some nickel deposits},
  author = {M. P. Foose and W. D. Menzie and D.A. Singer and J.T. Hanley},
  year = {1980},
  doi = {10.3133/pp1160},
  url = {https://pubs.usgs.gov/publication/pp1160},
  note = {Source identifier: pp1160}
}