00414naa a2200157 a 450000100080000000500110000800800410001910000190006024500490007926000090012865000170013765300120015470000190016670000190018577300520020416157651995-06-27 1981 bl --- 0-- u #d1 aSTEPHAN, M. P. aPhysiological studies with Azospirillum spp. c1981 aAzospirillum aUAPNPBS1 aPEDROSA, F. O.1 aDOBEREINER, J. tIn: Associative N2-Fixation.gv., p.7-13, 1981.