10.24355/dbbs.084-201708021347-0 copy citation link
URN (urn:nbn:de:gbv:084-2017081612099)
https://nbn-resolving.org/urn:nbn:de:gbv:084-2017081612099
DOI (10.24355/dbbs.084-201708021347-0)
https://doi.org/10.24355/dbbs.084-201708021347-0
Use and reproduction: All rights reserved