TY  - BOOK
AU  - Carey,David
AU  - Blythe James
AU  - Robinson B H
AU  - Witcomb Gerald
TI  - How it works ... the computer
AV  - QA76.9 
PY  - 1979///
CY  - Loughborough
PB  - Ladybird Books
KW  - Computers
KW  - Juvenile literature
ER  -