@misc{indiciaee3f0520780eb,
  title = {Effect of tax laws on mineral exploration in Canada},
  author = {J.H. DeYoung},
  year = {1977},
  doi = {10.1016/0301-4207(77)90033-2},
  url = {https://pubs.usgs.gov/publication/70009863},
  note = {Source identifier: 70009863}
}