000
00338nam a2200145Ia 4500
020
_a
0753408457
082
_b
1804
_a
500
100
_a
"Walker, Richard"
245
0
_a
Genes and DNA
260
_b
Kingfisher Books Ltd
_a
Singapore
_c
2003
300
_a
63
944
_c
BK
999
_c
126221
_d
126221