10.24355/dbbs.084-202007291108-0 copy citation link
DOI (10.24355/dbbs.084-202007291108-0)
https://doi.org/10.24355/dbbs.084-202007291108-0
URN (urn:nbn:de:gbv:084-2020072911303)
https://nbn-resolving.org/urn:nbn:de:gbv:084-2020072911303
Use and reproduction: