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Mudge, I.G.: New guide to reference books (1923)
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Notable encyclopedias of the late eighteenth century : eleven successors of the 'Encylopédie' (1994)
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Guide to reference books : Grundwerk (1986)
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Wyer, J.A.: Reference work (1930)
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Metz, R.: Directory of directories on the Internet (1992)
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CD-ROM market-place : an international guide to the CD-ROM, CD-I, CDTV & electronic book industry (1992)
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Hahn, H.; Stout, R.: ¬The Internet yellow pages (1994)
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CD-ROMs in print : an international guide to CD-ROMs, CD-I, CDTV & electronic book products (1994)
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Information sources for the press and broadcast media (1991)
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Nicholas, D.; Huntingdon, P.; Williams, P.: Evaluating digital platforms, services, channels and sites professionally (2003)
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CD-ROMs in print (1995)
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Walford's guide to reference material : Vol.1: Science and technology. 1993. - Vol.2: Social and historical sciences, philosophy and religion. 1994. - Vol.3: Generalia, language and literature, the arts. 1995 (1993-95)
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CD-ROM finder (1993)
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¬The year in reference (1994)
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Malinowsky, H.R.: Reference sources in science, engineering, medicine, and agriculture (1994)
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Chalcraft, A. (Bearb.): Walford's concise guide to reference material (1992)
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Gale directory of databases 2005 : Vol.1: Online databases. - Vol.2: CD-ROM, DVD, diskette, magnetic tape, handheld, and batch access database products (2005)
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¬The CD-ROM directory : with multimedia CD's; international edition (1994)
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Directory of portable databases (1993)
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European directory of software for libraries and information centres (1993)
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