Resultados de búsqueda - Pratt, P.F.

Chemical and mineralogical characteristics of selected acid soils of the State of Parana, Brazil por Pavan, M.A, Bingham, F.T, Pratt, P.F

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Qualitative mineralogy and chemical properties of a few soils from Sao Paulo, Brazil por Pratt, P.F., Peterson, F.F., Holzhey, C.S.

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