@book{Knapp+2015,
url = {https://doi.org/10.3790/9783428493043},
title = {Determinanten der Verkehrsmittelwahl},
title = {},
author = {Frank D. Knapp},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428493043},
isbn = {9783428493043},
year = {1998},
lastchecked = {2015}
}