TY  - BOOK
AU  - Hill,John
AU  - Clay,Marilyn
TI  - Exploring information technology / 
SN  - 9780750201520
U1  - 621 
PY  - 1991///
CY  - East Sussex
PB  - Wayland, 
KW  - Engineering
KW  - Machinery
KW  - Technology
N1  - Teens
ER  -