TY  - BOOK
AU  - Smith,Alastair
AU  - Henderson,Corrine
TI  - The Usborne internet-linked library of science: Energy, forces and motion 
SN  - 0-439-44146-3
U1  - Prof. 531.6 S642 2001 
PY  - 2001///
CY  - New York
PB  - Usborne Publishing Ltd.
KW  - Energy
ER  -