TY  - BOOK
AU  - Challoner,Jack
TI  - The digital revolution
T2  - Dorling Kindersley essential science
SN  - 0751337110
U1  - 303.483 23
PY  - 2002///
CY  - London : 
PB  - Dorling Kindersley , 
KW  - Computers and civilization ; Digital communications
ER  -