@misc{indiciae7668c8caf991,
  title = {Planning and setting objectives in field studies: Chapter 2},
  author = {Robert N. Fisher},
  year = {2016},
  doi = {10.1093/acprof:oso/9780198726135.003.0002},
  url = {https://pubs.usgs.gov/publication/70170883},
  note = {Source identifier: 70170883}
}