TY  - BOOK
AU  - Beckett,Brian
AU  - Gallagher,RoseMarie
TI  - Co-ordinated science: biology 
SN  - 019914317X
U1  - 570.712 23
PY  - 1989///.
CY  - Oxford: 
PB  - Oxford University Press, 
KW  - Biology
KW  - Study and teaching (Secondary)
ER  -