TY  - BOOK
ED  - Viewdata '80 (1980 : Londres)
TI  - Viewdata and videotext, 1980-81 : a world wide report : transcript of Viewdata '80, First world Conference on Viewdata, and Telext
SN  - 0914236776
AV  - TK7882/I6V54 
PY  - 1980///
CY  - Whita Plains, New York
PB  - Knowledge Industry
KW  - Electrónica Digital y de Video - Congresos
N1  - Reunión
ER  -