@misc{indiciae0e8cbe8a7d59,
  title = {A comparative assessment of tools for ecosystem services quantification and valuation},
  author = {Kenneth J. Bagstad and Darius J. Semmens and Sissel Waage and Robert Winthrop},
  year = {2013},
  doi = {10.1016/j.ecoser.2013.07.004},
  url = {https://pubs.usgs.gov/publication/70048481},
  note = {Source identifier: 70048481}
}