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Bärmann, U.: CD-ROM retro 1972-1985 (DNB-CD retro 2) (1999)
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- Dialog mit Bibliotheken. 11(1999) H.1, S.48
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Bärmann, U.: Neues von der Deutschen Nationalbibliographie auf CD-ROM (1996)
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- Dialog mit Bibliotheken. 8(1996) H.1, S.43-44
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Bärmann, U.: Neue CD-ROM Der Deutschen Bibliothek : DNB-CD retro (1995)
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- Dialog mit Bibliotheken. 7(1995) H.3, S.5-6