TY  - BOOK
AU  - SPARKS, David and SOPER, Ronald
TI  - Biology: practical assessment for GCSE 
SN  - 9780521359993
U1  - 570 22nd edition
PY  - 1988///
CY  - New York
PB  - Cambridge University Press
KW  - Biology
N1  - Includes index
ER  -