10.17185/duepublico/48873 copy citation link
DOI (10.17185/duepublico/48873)
https://doi.org/10.17185/duepublico/48873
URN (urn:nbn:de:hbz:464-20190927-132213-9)
https://nbn-resolving.org/urn:nbn:de:hbz:464-20190927-132213-9