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Hatcher, P. G.; VanderHart, D. L.; Earl, W. L.
view article (1.0)Use of Solid-State (13)CNMR in Structural Studies of Humic Acids and Humin From Holocene Sediments.Geological Survey, Reston, VA; National Bureau of Standards, Gaithersburg, MDOrganic Geochemistry, Vol. 2, 87-92, 1980