Decision maker's guide to videotex and teletext
Eres, Beth Krevitt
Decision maker's guide to videotex and teletext - Paris: UNESCO, 1986 - v, 91p.
Decision maker's guide
Videotex technologies
D 681.32:621.39](036) / M6
Decision maker's guide to videotex and teletext - Paris: UNESCO, 1986 - v, 91p.
Decision maker's guide
Videotex technologies
D 681.32:621.39](036) / M6