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Ramsden, M.J.: PRECIS: a workbook for students of librarianship (1981)
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- Footnote
- Enthält sehr viele Beispiele zur intensiveren Beschäftigung mit den Möglichkeiten des Systems
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Austin, D.: PRECIS: Introduction (1987)
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- Footnote
- Zusammenfassende kompakte Darstellung des Systems PRECIS, seiner Geschichte, Eigenschaften und Möglichkeiten bis hin zum Online-Retrieval. - Als Einführung zu empfehlen