TY  - BOOK
AU  - Tydeman,John
ED  - Institute for the Future.
TI  - Teletext and videotex in the United States: market potential, technology, public policy issues 
SN  - 0070004277 :
AV  - TK7882.I6 T43 1982
U1  - 384 19
PY  - 1982///
CY  - New York, N.Y.
PB  - Data Communications, McGraw-Hill
KW  - Teletext systems
KW  - United States
KW  - Videotex systems
N1  - Includes index; Bibliography: p. 287-301
ER  -