00531cam a22002057a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001600102100002700118245004300145260004200188300002000230490002300250650002900273830002300302CHAP20220329135637.0971013s1994            r     00010     d  a39827  a40799  a44925  cCHAP  a631.523bN500aNicholl, Desmond S. T.13aAn introduction to genetic engineering  aLondon :bCambridge University,c1994  a168 p.b: ilus. 0aStudies in biology14aIngeniería genética.0 aStudies in biology