@book{2022,
url = {https://doi.org/10.3790/9783428476657},
title = {Ursachen und Verlauf der deutschen Revolution 1989},
title = {},
author = {},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428476657},
isbn = {9783428476657},
year = {1993},
lastchecked = {2022}
}