10.22032/dbt.39378 copy citation link
DOI (10.22032/dbt.39378)
https://doi.org/10.22032/dbt.39378
URN (urn:nbn:de:gbv:ilm1-2019200424)
https://nbn-resolving.org/urn:nbn:de:gbv:ilm1-2019200424
Use and reproduction: All rights reserved