@misc{indiciae894666bb4c7c,
  title = {Role of mineral resources in country development},
  author = {John Van N. Dorr},
  year = {1972},
  doi = {10.3133/ofr7294},
  url = {https://pubs.usgs.gov/publication/ofr7294},
  note = {Source identifier: ofr7294}
}