Deutsche Fachpresse [electronic resource]. - Frankfurt am Main : Buchhandler-Vereinigung GmbH, 1996. - 1 compact disc (CD-ROM) ; 12 cm.. - IBM PC. - ISBN 3-7657-1896-3[MFN: 52]
C 32 - Electronic Resources Service Division
The Electronic guide to the Frankfurt book fair [electronic resource]. - Frankfurt : Frankfurt Book Fair, 1998. - 1 compact disc (CD-ROM) ; 12 cm.. - ISBN 9783923352340[MFN: 53]
C 27 - Electronic Resources Service Division
The Electronic guide to the Frankfurt book fair [electronic resource]. - Frankfurt : Frankfurt Book Fair, 1998. - 1 compact disc (CD-ROM). - ISBN 9783923352340[MFN: 54]
C 28 - Electronic Resources Service Division
The Electronic guide to the Frankfurt book fair [electronic resource]. - Frankfurt : Frankfurt Book Fair, 1998. - 1 compact disc (CD-ROM) ; 12 cm.. - ISBN 9783923352340[MFN: 55]
C 29 - Electronic Resources Service Division
CD Biblio 96/97 [electronic resource]. - Frankfurt am Main : Buchhfndler-Vereinigung GmbH, 1996. - 1 compact disc (CD-ROM) ; 12 cm.[MFN: 56]
C 30 - Electronic Resources Service Division
The Comprehensive Electronic Fuide to the Frankfurt book fair [electronic resource]. - Frankfurt : Frankfurt Book Fair, 1997. - 1 compact disc (CD-ROM). - ISBN 3-7657-1960-9 : [n. p.][MFN: 57]
C 26 -
VINITI All-Russian Institute of Scientific and Technical Information [electronic resource]. - 1997. - 1 compact disc (CD-ROM) ; 12 cm.. - Title from disc label. - System requirements: IBM PC or compatible. - Windows 3.xx or Windows 95, with a CD-ROM drive, RAM of 8 Mbytes on a 386, 486 CPU or more. - [n. p.][MFN: 58]