10.22032/dbt.45595 copy citation link
DOI (10.22032/dbt.45595)
https://doi.org/10.22032/dbt.45595
URN (urn:nbn:de:gbv:27-dbt-20200731-084801-005)
https://nbn-resolving.org/urn:nbn:de:gbv:27-dbt-20200731-084801-005
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