10.24355/dbbs.084-201102021411-0 copy citation link
DOI (10.24355/dbbs.084-201102021411-0)
https://doi.org/10.24355/dbbs.084-201102021411-0
URN (urn:nbn:de:gbv:084-11020312014)
https://nbn-resolving.org/urn:nbn:de:gbv:084-11020312014
Use and reproduction: