TY  - BOOK
AU  - Maule,David
AU  - 
TI  - The double Helix
SN  - 0582451817
U1  - 428.6 23
PY  - 2001///
CY  - Essex : 
PB  - Pearson Education , 
KW  - Readers - Fiction
N1  - Level 6
ER  -