10.24355/dbbs.084-201609200834-0 copy citation link
DOI (10.24355/dbbs.084-201609200834-0)
https://doi.org/10.24355/dbbs.084-201609200834-0
URN (urn:nbn:de:gbv:084-16092012170)
https://nbn-resolving.org/urn:nbn:de:gbv:084-16092012170
Use and reproduction: All rights reserved