10.24355/dbbs.084-201902181531-0 copy citation link
DOI (10.24355/dbbs.084-201902181531-0)
https://doi.org/10.24355/dbbs.084-201902181531-0
URN (urn:nbn:de:gbv:084-2019021914143)
https://nbn-resolving.org/urn:nbn:de:gbv:084-2019021914143
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