@misc{BeerHasskeloMetzgeretal.2011, author = {Frank Beer and Hakki Hasskelo and Sergej Metzger and Ingrid Siebertz and Wilfried Weidner}, title = {Luftqualit{\"a}t an BAB 2010}, institution = {Abteilung Stra{\"s}enverkehrstechnik}, type = {workingpaper}, year = {2011}, }