TY  - GEN
AU  - Woolfe,Roger
TI  - Videotex: the new television/telephone information services 
SN  - 0855014938
U1  - 384.648,WOO 
PY  - 1980///
CY  - London, Philadelphia
PB  - Heyden
KW  - Videotex systems
N1  - Part-1: Videotex Services (Page-3), Part-2: Britain’s Prestel  (Page-63), Part-3: Worlwide Videotex Development (Page-121)
ER  -