@book{Simmel+2013,
url = {https://doi.org/10.3790/9783428537259},
title = {Soziologie},
title = {Untersuchungen über die Formen der Vergesellschaftung},
author = {Georg Simmel},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428537259},
isbn = {9783428537259},
year = {2013},
lastchecked = {2013}
}