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1Variation in natural abundance of [15] N among plant parts and in [15] N / [14] N fractionation during N [2] fixation in the legume - rhizobia symbiotic system Variation in natural abundance of [15] N among plant parts and in [15] N / [14] N fractionation during N [2] fixation in the legume - rhizobia symbiotic systemby Yoneyama, T., Fujita, Kounosuke, Yoshida, Tomio, Matsumoto, Tetsuo, Kambayashi, Iwao, Yazaki, JinyaTexto bibliotecaUBA FA