TY  - BOOK
ED  - Great Britain
TI  - Science at age 13
SN  - 0863570097
U1  - 507.1241 23
PY  - 1984///.
CY  - London: 
PB  - Department of Education and Science, 
KW  - Science
KW  - Study and teaching (Elementary)
KW  - Great Britain
ER  -