10.24355/dbbs.084-202009221000-0 copy citation link
URN (urn:nbn:de:gbv:084-2020092210034)
https://nbn-resolving.org/urn:nbn:de:gbv:084-2020092210034
DOI (10.24355/dbbs.084-202009221000-0)
https://doi.org/10.24355/dbbs.084-202009221000-0
Use and reproduction: