TY  - BOOK
AU  - Walker,richard
TI  - Genes and DNA
T2  - Kingfisher Knowledge
SN  - 9780753408452
U1  - 425 
PY  - 2003///
CY  - 
PB  - Kingfisher Puplishing
KW  - DNA
KW  - Genler
KW  - ingilizce
ER  -