00330nam a2200109Ia 450000500170000000800410001708200200005810000140007824500760009226000400016830000120020820260205054602.0260111s9999||||xx |||||||||||||| ||und||  a574.87322  Ol1P  aOld , R.W 0aPrinciples of gene manipulation: an introduction to genetic engineering  aLondonbBlackwell science ltdc1994  av, 474p