TY  - BOOK
AU  - Merrell, Jo Ann
TI  - Simple machines: hands -on-minds-on science(primary)
SN  - 1-86299-602-4
AV  - TR(GS 621.8 M55 2003
PY  - 2003///
CY  - Australia
PB  - Hawker Brownlow
KW  - Sciences-Juvenile literature
KW  - Machines-Juvenile literature
ER  -