10.25673/13731 copy citation link
DOI (10.25673/13731)
https://doi.org/10.25673/13731
URN (urn:nbn:de:gbv:ma9:1-1981185920-138297)
https://nbn-resolving.org/urn:nbn:de:gbv:ma9:1-1981185920-138297
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