10.1515/piko.2008.0034 copy citation link
URN (urn:nbn:de:gbv:ilm1-2015210304)
https://nbn-resolving.org/urn:nbn:de:gbv:ilm1-2015210304
DOI (10.1515/piko.2008.0034)
https://doi.org/10.1515/piko.2008.0034
Use and reproduction: This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively.