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Natural SciencesChemistryAnalytical ChemistrySpectroscopic AnalysisSpectroscopyChemical Composition AnalysisAcid Content AnalysisHumus CharacterizationHumus ChemistryHumus Composition
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Humic substances : Chemistry and reactions
M. Schnitzer · Medical Entomology and Zoology · 1987 · 408 citations