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by Rothhaar, Markus; Frewer, Andreas
by Kerkmann, Jan
by Seneca, Lucius Annaeus; Raeder, Joachim
by Buhner, Veerendra H.
by Bühner, Veerendra H.
by Quast, Dieter
by Meyer-Eppler, Irmgard
by Zwingli, Hyldrych
by Rickert, Heinrich; Bast, Rainer A.
by Luttenberg, Christoph J.