00457nam a2200169Ia 4500008004100000020001500041082001700056100001900073245006300092260003700155300000800192650001800200650001800218653001200236653001800248700002100266170901s2005    xx            000 0 und d  a1555813046  a574.88bK96B  aKreuzer, Helen 0aBiology and BiotechnologybScience,Applications and Issues  aWashington,D.C.bASM Pressc2005  a669  aLife sciences  aPure Sciences  aBiology  aBiotechnology  aMassey, Adrianne