@book{BaumHasskeloSiebertzetal.2010,
  author    = {Anja Baum and Hakki Hasskelo and Ingrid Siebertz and Wilfried Weidner},
  title     = {Luftqualit{\"a}t an BAB 2007},
  isbn      = {978-3-86509-852-8},
  year      = {2010},
}