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- [26] FLUORESCENCE LIFETIMES OF THE WELL CHARACTERIZED HUMIC SUBSTANCE, ARMDALE FULVIC-ACID ENVIRONMENTAL TECHNOLOGY LETTERS, 1986, 7 (08): : 425 - 430
- [27] CHARACTERIZATION OF AQUATIC HUMIC AND FULVIC-ACID FRACTIONS BY FLUORESCENCE DEPOLARIZATION SPECTROSCOPY ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1987, 193 : 92 - ENVR