00261nam a22001097a 4500003000400000008004100004082002000045100002000065245003800085260002000123300000800143OSt240719b        |||||||| |||| 00| 0 eng d  a575.10724bN55I  aNicholl, D.S.T   aAn instead to genetic engineering  aCUP,Cambrc1994  a168