InstitutionInformationszentrum Sozialwissenschaften (2)Author
Mandl, Thomas (2)
Hellweg, Heiko (1)Krause, Jürgen (1)Marx, Jutta (1)Mutschke, Peter (1)...view moreDate Issued2001 (1)2000 (1)Series
IZ-Arbeitsbericht (2)
Volume20 (1)23 (1)Document Type
working paper (2)
Keyworddata bank (2)Datenbank (2)heterogeneity (2)Heterogenität (2)
information retrieval (2)
...view moreReviewreviewed (2)Publication StatusPublished Version (2)