10.24355/dbbs.084-201009011143-0 copy citation link
DOI (10.24355/dbbs.084-201009011143-0)
https://doi.org/10.24355/dbbs.084-201009011143-0
URN (urn:nbn:de:gbv:084-10092017194)
https://nbn-resolving.org/urn:nbn:de:gbv:084-10092017194
Use and reproduction: