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- [3] Analysis of humic and fulvic acids by electrospray/ion trap tandem mass spectrometry. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2002, 223 : U514 - U514
- [6] COMPARISON OF HUMIC AND FULVIC ACIDS FROM DIFFERENT SOILS BY PYROLYSIS MASS-SPECTROMETRY AGROCHIMICA, 1978, 22 (3-4): : 353 - 359