TY  - BOOK
AU  - Harrison,Peter
TI  - Inventions and discoveries
T2  - Investigations
SN  - 9780754802136
U1  - 609 21
PY  - 2000///
CY  - London
PB  - Lorenz
KW  - Inventions
KW  - Juvenile literature
N1  - Includes index
ER  -