@misc{indiciaeeade07c574c8,
  title = {Coal-tar-based pavement sealants—a potent source of PAHs},
  author = {Barbara Mahler and Peter C. Van Metre},
  year = {2017},
  url = {https://pubs.usgs.gov/publication/70191541},
  note = {Source identifier: 70191541}
}