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by Opitz, Herwart, Feltkamp, Konrad, Rademacher, Johannes, Breidenbach, Gerhard
Published 1968
Subjects:
“...Engineering...”Published 1968
VS Verlag für Sozialwissenschaften
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by Opitz, Herwart, Junghanns, Wolfgang, Hormann, Dirk
Published 1973
Subjects:
“...Engineering...”Published 1973
VS Verlag für Sozialwissenschaften