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by Opitz, Herwart, Timmers, Josef, Bosch, Manfred, Rademacher, Johannes
Published 1967
Subjects:
“...Engineering...”Published 1967
VS Verlag für Sozialwissenschaften
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by Opitz, Herwart, Mussenbrock, Albert, Thämer, Reinhard, Ziegler, Karl
Published 1966
Subjects:
“...Engineering...”Published 1966
VS Verlag für Sozialwissenschaften