10.24355/dbbs.084-201807170827-8 copy citation link
DOI (10.24355/dbbs.084-201807170827-8)
https://doi.org/10.24355/dbbs.084-201807170827-8
URN (urn:nbn:de:gbv:084-2018071708336)
https://nbn-resolving.org/urn:nbn:de:gbv:084-2018071708336
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