00518naa a2200181 a 450000100080000000500110000800800410001910000150006024500730007526000090014865000140015765300280017170000200019970000270021970000210024670000240026777300450029116080191995-06-27       1985    bl ---       0--  u    #d1 aMEGIAS, M.  aAction of N-methyl-N-nitro-N-nitrosoguanidine in Rhizobium trifolii.  c1985  aRhizobium  aBIOQUIMICA E FISIOLOGIA1 aCAVIEDES, M. A.1 aRODRIGUEZ QUINONES, F.1 aPALOMARES, A. J.1 aRUIZ BERRAQUERO, F.  tCurr. Microbiol.gv.12, p.325-328, 1985.