TY  - BOOK
AU  - Humby,Edward
AU  - Robinson,Philip Bedford
TI  - Computers
SN  - 0304301167
U1  - PE/1128 
PY  - 1978///
CY  - East Sussex
PB  - Cassell Ltd.
KW  - English language -- Textbooks for foreign speakers.
KW  - Readers -- Computers
N1  - Audio cassettes available
ER  -