AU  - GRAHAM,IAN
TI  - THE WORLD OF COMPUTERS AND COMMUNICATIONS
T2  - HOW IT WORKS
SN  - 1899762345
U1  - 004/GRA 
PY  - 1988///
CY  - LONDON
PB  - HORUS EDITIONS LIMITED
KW  - COMPUTERS
KW  - COMMUNICATIONS
KW  - PRINTING
KW  - CAMERAS
KW  - TELEVISIONS
KW  - TAPE RECORDING
KW  - COMPACT DISCS
KW  - ELECTRONICS
KW  - TELEPHONES
KW  - TELEPHONE NETWORKS
KW  - SATELLITES
KW  - RADIOS
KW  - RADAR
KW  - CALCULATORS
KW  - COMPUTER NETWORKS
ER  -