@misc{indiciae485be0398f5a,
  title = {Resource management and nonmarket valuation research},
  author = {A. J. Douglas and J. G. Taylor},
  year = {1999},
  doi = {10.1080/00207239908711252},
  url = {https://pubs.usgs.gov/publication/70020947},
  note = {Source identifier: 70020947}
}