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1.- FLUORESCENCE OF SOIL HUMIC ACIDS AND THEIR FRACTIONS OBTAINED BY TANDEM SIZE EXCLUSION CHROMATOGRAPHY-POLYACRYLAMIDE GEL ELECTROPHORESIS
PERGAMON; OXFORD-NEW YORK; III; INTERNATIONAL, 2002
CHARACTERIZATION AND DYNAMICS OF HUMIC SUBSTANCES; PROCEEDINGS OF TWO SYMPOSIA HELD AT THE TENTH INTERNATIONAL MEETING OF THE INTERNATIONAL HUMIC SUBSTANCES SOCIETY (IHHS 10)
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