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- author's%3a%22Poetzsch%2c E.%22 2
- authors%3a%22Poetzsch%2c E.%22 2
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Behrends, E.: Technisch-wissenschaftliche Dokumentation in Deutschland von 1900 bis 1945 : unter besonderer Berücksichtigung des Verhältnisses von Bibliothek und Dokumentation (1995)
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Behrends, E.: Fünf Minuten Mathematik : 100 Beiträge der Mathematik-Kolumne der Zeitung DIE WELT (2006)
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