10.24355/dbbs.084-201702021556-0 copy citation link
DOI (10.24355/dbbs.084-201702021556-0)
https://doi.org/10.24355/dbbs.084-201702021556-0
URN (urn:nbn:de:gbv:084-17020216033)
https://nbn-resolving.org/urn:nbn:de:gbv:084-17020216033
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