10.24355/dbbs.084-201805141044-0 copy citation link
URN (urn:nbn:de:gbv:084-2018052513347)
https://nbn-resolving.org/urn:nbn:de:gbv:084-2018052513347
DOI (10.24355/dbbs.084-201805141044-0)
https://doi.org/10.24355/dbbs.084-201805141044-0
Use and reproduction: All rights reserved