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On the inverse of the covariance matrix in portfolio analysis
Stevens, Guy V. G. - 1997
Persistent link: https://www.econbiz.de/10000978988
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Think before measuring : methodological innovations for the collection and analysis of statistical data
Dubois, Jean-Luc - 1992 - 1. print.
Persistent link: https://www.econbiz.de/10000840844
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Les statistiques internationales de PIB par habitant en standard de pouvoir d'achat : une analyse des résultats
Magnien, François (contributor);  … - 2002 - [Elektronische Ressource]
Persistent link: https://www.econbiz.de/10001724193