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Maaßen, B.: PRECIS: ein englisches Indexierungsverfahren für deutsche Bibliotheken? (1983)
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Maaßen, B.: Man sollte das alles nicht zu eng sehen : einige weitgehende Bemerkungen zum engen Schlagwort (1981)
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Maaßen, B.: PRECIS: Erfahrungen mit einem Projekt (1983)
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Maaßen, B.: Inhaltserschließung und Innovationsbereitschaft (1985)
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Maaßen, B.: Neue Sachgruppeneinteilung für das Wöchentliche Verzeichnis : Ergebnisse einer Umfrage der Deutschen Bibliothek (1981)
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Matter, R.: PRECIS als zwischensprachliches System (1979)
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Austin, D.: PRECIS (2009)
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Detemple, S.: PRECIS : ein computerunterstütztes System zur Herstellung alphabetischer Sachregister und Schlagwortkataloge (1982)
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Krömmelbein, U.: Linguistische und fachwissenschaftliche Gesichtspunkte der Schlagwortsyntax : Eine vergleichende Untersuchung der Regeln für die Schlagwortvergabe der Deutschen Bibliothek, der RSWK und der Indexierungsverfahren Voll-PRECIS und Kurz-PRECIS (1984)
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Austin, D.: PRECIS: Introduction (1987)
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