@misc{indiciae4a250d321a74,
  title = {Trends in lead concentrations in major U.S. rivers and their relation to historical changes in gasoline-lead consumption},
  author = {R. B. Alexander and R. A. Smith},
  year = {2007},
  doi = {10.1111/j.1752-1688.1988.tb00905.x},
  url = {https://pubs.usgs.gov/publication/70013731},
  note = {Source identifier: 70013731}
}