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1Nitrogen fixation: achievements and objectives. Proceedings Nitrogen fixation: achievements and objectives. Proceedingsby Gresshoff, P.M. (ed.), International Congress on Nitrogen Fixation eng 20-26 May 1990 8 Knoxville, TN (USA), Roth, L.E. (ed.), Stacey, G. (ed.), Newton, W.E. (ed.)
Published 1990Texto bibliotecaFAO IT