00407nam a2200157Ia 4500008004100000020001500041082002100056100002000077245002000097260005000117300000800167650001800175650001800193653002000211700001800231170901s1981    xx            000 0 und d  a0879333782  a574.873282bD35R  aDenniston, K.J. 0aRecombinant DNA  aStroudsburgbDowden,Hutchinson and Rossc1981  a389  aLife sciences  aPure Sciences  aRecombinant DNA  aEnquist, L.W.