00473nam a2200157Ia 450000100060000000800410000602000150004704000130006208200200007510000220009524501050011726000540022230000110027654600070028770000210029466575150514s9999    xx            000 0 und d  a0521637546  cPK-LaUMT  a174.9574bREI-I  aReiss, Michael J.  aImproving nature?bthe science and ethics of genetic engineeringcReiss, Michael J.|Straughan, Roger  aCambridge,USA:bCambridge University Press,c1998  a288 p.  aEN  aStraughan, Roger