Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/152239
Authors: 
Erber, Georg
Wittenberg, Erich
Year of Publication: 
2011
Citation: 
[Journal:] DIW Wochenbericht [ISSN:] 1860-8787 [Volume:] 78 [Year:] 2011 [Issue:] 50 [Pages:] 8
Document Type: 
Article

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