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Grunwald, W.: ¬Die naturwissenschaftliche und technische Fachbibliographie (1955)
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Grunwald, W.: Einheitsklassifikation "Physik" (1978)
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Grunwald, W.: Klassifikationstheorie (1968)
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Grunwald, W.: Zur Sacherschließung im Bereich der Chemie (1959)
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