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1Signatura: S 1847/6Article
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2per Grapke, Eberhard, Valley, Heike
Publicat a Statistik und Informationsmanagement Monatshefte (1999)Signatura: S 1847/6Article -
3Publicat 1999Altres autors: “…Valley, Heike…”
Signatura: S 1847/1Llibre