The impact of electronic publishing on library services and resources in the UK
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2. Electronic publishing: the present position

BIT MAPPEDCHARACTER CODEDMIXED
DELIVERED ON
PHYSICAL MEDIUM		 Videodisc
ADONIS discs
Photo CD
 Text CD-ROMs
Software
Databases on magnetic tape
Solid-state electronic books
 Multi-media CD-ROM
CD-I
CDTV
DELIVERED BY
COMMUNICATION
CHANNEL		 Teletext
Videotex
Fax services
 Online databases
Software
Electronic mail and electronic
journals

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