Hatcher, P. G.; VanderHart, D. L.; Earl, W. L.
view article (9.986072)
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, MD
Organic Geochemistry,
Vol. 2,
87-92,
1980