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by Opitz, Herwart, Siebel, Henning, Fleck, Reinhard, Altdorf, Franz
Published 1961
Published 1961
VS Verlag für Sozialwissenschaften
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by Bargmann, Wolfgang, Möllenstedt, Gottfried, Niehrs, Heinz, Ruska, Ernst
Published 1960
Published 1960
Springer Berlin Heidelberg