Information processing; text and office systems; standard generalized markup language (SGML) (ISO 8879:1986 + A1:1988) EN 28879:1990
German title
Informationsverarbeitung; Textverarbeitung und -kommunikation; Genormte Verallgemeinerte Auszeichnungssprache (SGML) (ISO 8879:1986 + A1:1988); EN 28879:1990
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