@misc{indiciaeda66740eaf6d,
  title = {Concentrations of polynuclear aromatic hydrocarbons and inorganic constituents in ambient surface soils, Chicago, Illinois: 2001-02},
  author = {Robert T. Kay and Terri Arnold and William F. Cannon and David Graham and Eric Morton and Raymond Bienert},
  year = {2003},
  doi = {10.3133/wri034105},
  url = {https://pubs.usgs.gov/publication/wri034105},
  note = {Source identifier: wri034105}
}