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Holzberg, C.S.: Multimedia encyclopedias get smart (1994)
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- Source
- CD-ROM world. 9(1994) no.9, S.62-65
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Holzberg, C.S.: Let your fingers do the walking : CD-ROM encyclopedias (1993)
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- Source
- CD-ROM world. 8(1993) no.8, S.28-37