@misc{indiciae6ae440b6a165,
  title = {Guidelines for the use of the semipermeable membrane device (SPMD) and the polar organic chemical integrative sampler (POCIS) in environmental monitoring studies},
  author = {David A. Alvarez},
  year = {2010},
  doi = {10.3133/tm1d4},
  url = {https://pubs.usgs.gov/publication/tm1D4},
  note = {Source identifier: tm1D4}
}