@book{Tanneberg+2011,
url = {https://doi.org/10.3790/9783428535408},
title = {Die Zweistufentheorie},
title = {},
author = {Birga Tanneberg},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428535408},
isbn = {9783428535408},
year = {2011},
lastchecked = {2011}
}