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![](./images/clear.gif) 1.- A simplified method for the quantification of pyrogenic organic matter in grassland soils via chemical oxidation
Elsevier; Amsterdam; NLD; Netherlands, 2008
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![](./images/clear.gif) 2.- Organic matter in constructed soils from a coal mining area in southern Brazil
Elsevier;; III; International, 2006
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![](./images/clear.gif) 3.- THE EFFECT OF 10% HF TREATMENT ON THE RESOLUTION OF CPMAS (SUPER 13) C NMR SPECTRA AND ON THE QUALITY OF ORGANIC MATTER IN FERRALSOLS
ELSEVIER; AMSTERDAM; NLD; NETHERLANDS, 2003
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