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- Footnote
- Rez. in: Audiovisual librarian 22(1996) no.2, S.130-131 ( R. Williams)
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Metz, R.: Directory of directories on the Internet (1992)
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Information sources 1997 (1997)
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Schmidt, D.; Allison, M.; Clark, K.; Jacobs, P.; Porta, M.: Guide to reference and information sources in plant biology (2005)
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