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¬The Dublin Core Metadata Element Set (2007)
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¬The Dublin Core Metadata Element Set (2012)
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Krieger, C.; Schmid, H.: ¬The thesaurus implementation for AGRIS on CD-ROM (1993)
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Rasmussen, J.; Pejtersen, A.M.; Goodstein, L.P.: Cognitive systems engineering (1994)
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Milstead, J.L.; Berger, M.C.: ¬The Engineering Information thesaurus development project (1993)
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