10.24355/dbbs.084-201910161317-0 copy citation link
URN (urn:nbn:de:gbv:084-2019101613289)
https://nbn-resolving.org/urn:nbn:de:gbv:084-2019101613289
DOI (10.24355/dbbs.084-201910161317-0)
https://doi.org/10.24355/dbbs.084-201910161317-0
Use and reproduction: