10.24355/dbbs.084-202010161409-0 copy citation link
DOI (10.24355/dbbs.084-202010161409-0)
https://doi.org/10.24355/dbbs.084-202010161409-0
URN (urn:nbn:de:gbv:084-2020101614466)
https://nbn-resolving.org/urn:nbn:de:gbv:084-2020101614466
Use and reproduction: