000 00335nam a2200145Ia 4500
020 _a0753408457
082 _b423
_a500
100 _a"Walker, Richard"
245 0 _aGenes & DNA
260 _bKingfisher Publications
_aLondon
_c2003
300 _a63
944 _cBK
999 _c185666
_d185666