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Titlebook: Mathematical Techniques in Crystallography and Materials Science; Edward Prince Book 19942nd edition Springer-Verlag Berlin Heidelberg 199

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Classical Polar Spaces,ongst those embedded in absolutes of quasi-polarities on projective spaces are proper subspaces of the absolutes. The new examples are generalizations of quadrics, called pseudo-quadrics, which are introduced in Sect. .. They are characterized as the minimal polar spaces embeddable in an absolute th
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Over-all Concentration, Conglomerate Bigness and the Largest European Corporations,en the aggregate level of concentration and the level of concentration in individual markets; and while concentration ratios within particular industries are accepted as conventional indicators of market power, the use of measures of over-all concentration has been viewed with suspicion. Over-all (o
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rzehnten war ernsthafte Kryptografie eine Domäne der Politiker, Diplomaten und Militärs und der ent­ sprechenden Institutionen. Das Ziel war stets, Verfahren zu entwickeln und zu verwenden, die vom Gegner nic978-3-322-93902-9
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