TY  - BOOK
AU  - Pitt,Valerie
AU  - Daintith,John
AU  - Isaacs,Alan
TI  - The Hamlyn junior science encyclopedia
U1  - 503 
PY  - 1973///
CY  - London
PB  - Hamlyn
KW  - Science
KW  - Juvenile literature
KW  - Encyclopedias, Juvenile
N1  - Includes index
ER  -