10.24355/dbbs.084-201708280947-0 copy citation link
DOI (10.24355/dbbs.084-201708280947-0)
https://doi.org/10.24355/dbbs.084-201708280947-0
URN (urn:nbn:de:gbv:084-2017090116097)
https://nbn-resolving.org/urn:nbn:de:gbv:084-2017090116097
Use and reproduction: