TY  - BOOK
AU  - Royston,Angela
TI  - Wheels and cranks
T2  - How it works
SN  - 0431017468
U1  - 621.827 23
PY  - 2000///
CY  - Oxford : 
PB  - Heinemann Library , 
KW  - Wheels - Juvenile literature ; Cranks and crankshafts - Juvenile literature
ER  -