@book{1991,
url = {https://doi.org/10.3790/9783428472499},
title = {Preußen - Deutschland und Rußland},
title = {vom 18. bis zum 20. Jahrhundert},
author = {},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428472499},
isbn = {9783428472499},
year = {1991},
lastchecked = {1991}
}