@misc{OPUS4-1105, title = {Blickpunkt Studienbeitr{\"a}ge}, volume = {2009}, number = {2}, issn = {0935-4425}, doi = {10.25968/opus-1105}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:960-opus4-11055}, year = {2009}, language = {de} }