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Endres-Niggemeyer, B.; Maier, E.; Sigel, A.: How to implement a naturalistic model of abstracting : four core working steps of an expert abstractor (1995) 9.21

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Author: Sigel, A.

Ohly, P.; Sigel, A.: Einführung in wissensorganisatorische Aspekte bei der Nutzung und Bereitstellung fachlicher Internet-Ressourcen (1998) 9.21

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Author: Sigel, A.