@book{2018,
url = {https://doi.org/10.3790/9783428499601},
title = {50 Jahre Bundesrepublik Deutschland},
title = {},
author = {},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428499601},
isbn = {9783428499601},
year = {1999},
lastchecked = {2018}
}