InstitutionGESIS-IZ Sozialwissenschaften (1)AuthorHeinz, Sabine (1)Date Issued
2007 (1)
Series
IZ-Arbeitsbericht (1)
Volume39 (1)Document Typeworking paper (1)KeywordBenutzerfreundlichkeit (1)Fachinformation (1)heterogeneity (1)Heterogenität (1)Portal (1)...view moreReviewreviewed (1)Publication StatusPublished Version (1)