10.17185/duepublico/29797 copy citation link
DOI (10.17185/duepublico/29797)
https://doi.org/10.17185/duepublico/29797
URN (urn:nbn:de:hbz:464-20121116-074757-7)
https://nbn-resolving.org/urn:nbn:de:hbz:464-20121116-074757-7