@article{GerberBohnGronebergetal.2014,
  author    = {Alexander Gerber and Julia Bohn and Jan David Alexander Groneberg and Johannes B. Schulze and Matthias Bundschuh},
  title     = {Airborne particulate matter in public transport : a field study at major intersection points in Frankfurt am Main (Germany)},
  journal   = {Journal of occupational medicine and toxicology},
  volume    = {9},
  number    = {13},
  doi       = {10.1186/1745-6673-9-13},
  year      = {2014},
}