TY  - BOOK
AU  - Challoner,Jack
TI  - Energy
T2  - Eyewitness science
SN  - 075131014X
U1  - R 333.7 
PY  - 1993///
CY  - London
PB  - Dorling Kindersley
KW  - Power resources
KW  - Juvenile literature
KW  - Force and energy
N1  - Includes index
ER  -