TY  - BOOK
AU  - Ardley,Neil
TI  - The science book of motion
SN  - 0152006222
U1  - 531.178 12
PY  - 1992///
CY  - New York
PB  - Harcourt
KW  - Motion
KW  - Experiments
KW  - sears
N2  - Simple experiments demonstrate the laws of motion
ER  -