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Titlebook: Gabler Volkswirtschafts Lexikon; Ute Arentzen,Heiner Brockmann,Thorsten Hadeler Book 1997 Springer Fachmedien Wiesbaden 1997 Arbeitsmarkt.

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Niobium in Metagranites of the Polar UralsThis paper is devoted to a study of the correlation between modal and chemical compositions of granitoid rocks and their niobium content. For studying the correlation, linear correlation analysis has been employed, using conclusions from the Sarmanov—Vistelius theorem to avoid false correlation because of percentage calculations.
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On a Hybrid Fourth Moment Involving the Riemann Zeta-Function,For each integer 1 ≤ . ≤ 6, we provide explicit ranges for . for which the asymptotic formula . holds as . → ., where .(.) is the Riemann zeta-function. The obtained ranges improve on an earlier result of the authors. An application to a weighted divisor problem is also given.
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