@misc{indiciaea9a39b5b1c45,
  title = {Evaluation of two spike-and-recovery controls for assessment of extraction efficiency in microbial source tracking studies},
  author = {D. M. Stoeckel and E.A. Stelzer and L.K. Dick},
  year = {2009},
  doi = {10.1016/j.watres.2009.06.028},
  url = {https://pubs.usgs.gov/publication/70037103},
  note = {Source identifier: 70037103}
}