10.24355/dbbs.084-201709011141-0 copy citation link
DOI (10.24355/dbbs.084-201709011141-0)
https://doi.org/10.24355/dbbs.084-201709011141-0
URN (urn:nbn:de:gbv:084-2017090115550)
https://nbn-resolving.org/urn:nbn:de:gbv:084-2017090115550
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