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  • × theme_ss:"Informationsdienstleistungen"
  1. Hattery, M.: Videotex in the US in 1991 (1991) 9.62 
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  2. Maule, R.W.: ¬A state telecommunications architecture for technology transfer (1994) 9.62 
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  3. Forster, B.: Public access videotex terminals : HARVIE's experience (1991) 9.62 
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