000 00257nam a2200097Ia 4500
008 140917b1989 xxu||||| |||| 00| 0 eng d
082 _a574.873282
100 _aWilliams, J G Patient R K
245 _aGenetic Engineering
260 _aOxford :
_bIRL,
_c1989
999 _c234658
_d234658