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Dirk Baeckerthe simplest possible introduction to fundamentals of modem geometry: curvature, group actions, and covering spaces. 2. The prerequisites are modest and standard. A little linear algebra (mostly 2 x 2 matrices), calculus as far as hyperbolic functions, ba sic group theory (subgroups and cosets), an
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Ballistische Lithotripsie,eue Systeme, welche Energieerzeugung mit Ultraschall und piezoelektrischem Schock durch eine einzige Hohlsonde ermöglichen, zeigen sehr gute Fragmentation bei gleichzeitiger guter Absaugung der Steinteilchen.
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Short-Term Bioassays in the Analysis of Complex Environmental Mixtures II
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o what to look for in comet heads and tails.. .Details are also given of 20 periodic comets, predicted to return between the years 2017 and 2027, that are expected to become suitable targets for visual observin978-3-319-45434-4978-3-319-45435-1Series ISSN 2198-0756 Series E-ISSN 2198-0764
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https://doi.org/10.1007/978-1-349-09976-4assessment; entrepreneur; entrepreneurship; industrial revolution; information; research