Format:
81 S.
Series Statement:
Schriftenreihe der Industrie- und Handelskammer zu Düsseldorf 15
Language:
German
Subjects:
Education
Author information:
Schütz, Werner 1900-1975
Author information:
Schneider, Ernst 1900-1977
Author information:
Steinbach, Ernst 1906-1984
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