TY  - BOOK
AU  - PICKERING,W.R
TI  - Oxford Revision Guides As & A Level Biology
SN  - 0-19-915076-1
U1  - 592. 
PY  - 2002///
CY  - New York
PB  - Oxford University Press
KW  - 0
KW  - Grade 7-9
ER  -