TY  - RPRT
TI  - Application of INEPT nitrogen-15 and silicon-29 nuclear magnetic resonance spectrometry to derivatized fulvic acids
AU  - K. A. Thorn
AU  - D.W. Folan
AU  - J.B. Arterburn
AU  - M.A. Mikita
AU  - P. MacCarthy
PY  - 1989
DO  - 10.1016/0048-9697(89)90127-7
UR  - https://pubs.usgs.gov/publication/70015723
ID  - 70015723
ER  -