@misc{indiciae7e29759121f4,
  title = {Exploration decisions and firms in the mineral industries},
  author = {Emil Attanasi},
  year = {1981},
  doi = {10.1016/0140-9883(81)90015-3},
  url = {https://pubs.usgs.gov/publication/70012157},
  note = {Source identifier: 70012157}
}