00740nam a2200169 a 450000100080000000500110000800800410001910000220006024501240008226002570020665300190046365300130048270000170049570000200051270000200053270000180055218798352011-03-02       2010    bl uuuu     u01u1 u    #d1 aGUIMARÃES, A. P.  aIsotope fractionation of 15N during biological nitrogen fixation by endophytic diazotrophic bacteria grown "in vitro" .  aIn: INTERNATIONAL SYMPOSIUM ON BIOLOGICAL NITROGEN WITH NON-LEGUMES, 12.; INTERNATIONAL INCT SYMPOSIUM ON NITROGEN BIOLOGICAL FIXATION, 2., 03 a 8 de outubro, 2010, Búzios, RJ. Book of abstracts... Seropédica: Embrapa Agrobiologia, 2010. Sl. 15c2010  aBacteria grown  aIn vitro1 aSILVA, C. F.1 aFAÇANHA, A. R.1 aALVES, B. J. R.1 aBODDEY, R. M.