10.22032/dbt.46247 copy citation link
DOI (10.22032/dbt.46247)
https://doi.org/10.22032/dbt.46247
URN (urn:nbn:de:gbv:27-dbt-20201009-135017-004)
https://nbn-resolving.org/urn:nbn:de:gbv:27-dbt-20201009-135017-004
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