00442nam a2200157Ia 4500008004100000020001500041082002000056100002000076245005900096260004800155300000800203650001800211650001800229653002400247653001300271170901s1996    xx            000 0 und d  a0521625092  a574.87328bA30T  aAldridge, Susan 0aThread of LifebStory of genes and Genetic Engineering  aCambridgebCambridge University Pressc1996  a258  aLife sciences  aPure Sciences  aGenetic engineering  aHeredity