10.22032/dbt.38247 copy citation link
DOI (10.22032/dbt.38247)
https://doi.org/10.22032/dbt.38247
URN (urn:nbn:de:gbv:ilm1-2019200184)
https://nbn-resolving.org/urn:nbn:de:gbv:ilm1-2019200184
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