@misc{indiciae1c9b615b4187,
  title = {Development of semipermeable membrane devices (SPMDs) and polar organic chemical integrative samplers (POCIS) for environmental monitoring},
  author = {David A. Alvarez},
  year = {2013},
  doi = {10.1002/etc.2339},
  url = {https://pubs.usgs.gov/publication/70048228},
  note = {Source identifier: 70048228}
}