00474naa a2200157 a 450000100080000000500110000800800410001910000200006024500760008026000090015665000140016565000180017965300240019770000160022177300790023716116741995-06-27       1988    bl ---       0--  u    #d1 aBERINGER, J. E.  aThe survival and persistence of genetically-engineered micro-organisms.  c1988  aGenética  aMicrorganismo  aENGENHARIA-GENETICA1 aBALE, M. J.  tIn: Release of Genetically-Engineered Micro-organisms.gv., p.29-46, 1988.