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by Valk, Giselher, Stein, Wolfgang, Berndt, Hans-Joachim, Bossmann, Adelgunde
Published 1979
Subjects:
“...Engineering...”Published 1979
VS Verlag für Sozialwissenschaften
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by Valk, Giselher, Krüssmann, Helmut, Heidemann, Gerhard, Dugal, Sudhir
Published 1971
Subjects:
“...Engineering...”Published 1971
VS Verlag für Sozialwissenschaften