TY  - BOOK
AU  - Bateman,Dick
AU  - Hewitt,T.
ED  - Thornes Publishers
TI  - Steps in technology
SN  - 0748710671
U1  - 600 23
PY  - 1992///.
CY  - London: 
PB  - Thornes, 
KW  - Technology
KW  - Juvenile literature
ER  -