@misc{indiciae6c442302bbbe,
  title = {Techniques of trend analysis for monthly water quality data},
  author = {Robert M. Hirsch and James R. Slack and Richard A. Smith},
  year = {2010},
  doi = {10.1029/wr018i001p00107},
  url = {https://pubs.usgs.gov/publication/70011649},
  note = {Source identifier: 70011649}
}