TY  - GEN
AU  - Toole, Glenn
AU  - Toole, Susan
TI  - Understanding biology for advanced level 
SN  - 0748705392
U1  - 570 
PY  - 1987///
CY  - Cheltenham
PB  - Stanley Thornes
KW  - BIOLOGY
KW  - LIFE SCIENCES
ER  -