@book{IstdasdieEinigungdesProletariats?2019,
year = {2019},
language = {ger},
copyright = {https://creativecommons.org/public-domain/cc0/},
title = {Ist das die Einigung des Proletariats?},
url = "http://dx.doi.org/10.17169/refubium-1822",
}