@misc{indiciae3eb536dd9340,
  title = {Geoindicators for river and river-valley monitoring in the humid tropics},
  author = {W. R. Osterkamp},
  year = {2002},
  doi = {10.1007/s00254-002-0550-y},
  url = {https://pubs.usgs.gov/publication/70024319},
  note = {Source identifier: 70024319}
}