TY  - BOOK
AU  - Smith,Alastair
TI  - Energy, forces & motion
T2  - The Usborne internet-linked library of science
SN  - 0746046308
U1  - 621.042 23
PY  - 2001///
CY  - London : 
PB  - Usborne Publishing , 
KW  - Energy
ER  -