@misc{indiciae1101a9f10f2b,
  title = {Cost considerations for long-term ecological monitoring},
  author = {L. Caughlan and K.L. Oakley},
  year = {2001},
  doi = {10.1016/s1470-160x(01)00015-2},
  url = {https://pubs.usgs.gov/publication/1015147},
  note = {Source identifier: 1015147}
}