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1.
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Characterization by electron paramagnetic resonance of organic matter in whole soil (gleysoil) and organic-mineral fractions. SAAB, S. C. - MARTIN-NETO, L.
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2.
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Exotic and native earthworms in various land use systems of Central, southern and Eastern Uruaguay. GROSSO, E. - JORGE, G. - BROWN, G. G.
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