@book{2022,
url = {https://doi.org/10.3790/9783428449590},
title = {Entwicklungsprobleme einer Region: Das Beispiel Rheinland und Westfalen im 19. Jahrhundert},
title = {},
author = {},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428449590},
isbn = {9783428449590},
year = {1981},
lastchecked = {2022}
}