Changes of chemical properties of humic acids from crude and fungal transformed lignite

Carbon-13 nuclear magnetic resonance of polymers spinning at the magic angle

Jacob Schaefer, E. O. Stejskal · Journal of the American Chemical Society · 1976 · 1.2K citations

Engineering, Polymer-based Magnet, Magnetic Resonance +22

Information Provided on Humic Substances by E4/E6 Ratios

Y. Chen, N. Senesi, M. Schnitzer · Soil Science Society of America Journal · 1977 · 1.1K citations

Soil Characterization, Organic Geochemistry, Biogeochemistry +15

Humic substances and their role in the environment.

Fritz H. Frimmel, R. F. Christman · 1988 · 756 citations

Organic Geochemistry, Biogeochemistry, Environmental Chemistry +5

N-15 and C-13 CPMAS and solution NMR studies of N-15 enriched plant material during 600 days of microbial degradation

Heike Knicker, H.‐D. Lüdemann · Organic Geochemistry · 1995 · 320 citations · Full text

C-13 Cpmas, Plant Material, Microbial Ecology +6

Humic Substances Formed during the Composting of Organic Matter

Y. Inbar, Y. Chen, Yitzhak Hadar · Soil Science Society of America Journal · 1990 · 281 citations

Organic Geochemistry, Biogeochemistry, Environmental Chemistry +13