00418nam a2200145Ia 4500001000500000005001700005008004100022020001500063082001500078100001400093245010200107250001200209260002500221650002600246550020261006003851.0120911s9999    xx            000 0 und d  a0632008563  a660.65 OLD  aOld, R.W   aPrinciples of gene manipulation: an introduction to genetic engineering / R.W. Old, S.B. Primrose  a2nd ed.  aBLACKWELL SCIENTIFIC  aGenetic engineering.