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المؤلفون: Gajjar, Hetal
المساهمون: Gerstdorff, Nikolaus, Miosge, Nicolai, Gruber, Rudolf, Oppermann, Martin
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المساهمون: Derer, Anja, Groetsch, Bettina, Harre, Ulrike, Böhm, Christina, Towne, Jennifer, Schett, Georg, Frey, Silke, Hueber, Axel J.