TY  - BOOK
AU  - Balex,Dave
ED  -  Edward Arnold (Publishers)
TI  - Integrated science
T2  - Wreake valley science department
SN  - 0713100435
U1  - 500 23
PY  - 1979///.
CY  - London: 
PB  - Edward Arnold, 
KW  - Science
ER  -