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Heinrich, G.: Zur Didaktik und Methodik des Faches "Sacherschließung" (1975)
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- Arbeiten aus dem Bibliothekar-Lehrinstitut des Landes Nordrhein-Wetsfalen; H.45
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Heinrich, G.; Thauer, W.: Bibliographie und Auskunftsdienst als Lehrfach : 2 Vorträge (1975)
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- Schriftenreihe der Bibliothekar-Lehrinstitute: Reihe B Dozentenschriften; H.1