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Fotothek df tg Portrt Universitt Professor Mathematik Astronomie. Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Abbildung ohne Nr Tbingen Michael Mstlin Professor der Mathematik und Astronomie an der Universitt Tbingen Papier Holzschnitt cm Portrt Universitt Professor Mathematik Astronomie ppn Druck Deutsche Fotothek