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- [36] SOLID-STATE C-13 NUCLEAR MAGNETIC-RESONANCE STUDY OF RIBONUCLEOSIDES AND RIBONUCLEIC-ACID JOURNAL OF ORGANIC CHEMISTRY, 1982, 47 (27): : 5318 - 5321
- [37] Study of structural feature of peat lignite and humic acid by solid state 13C NMR spectroscopy Fuel Science and Technology International, 1994, 12 (04): : 631 - 648
- [39] Structural investigation of humic substances using 2D solid-state nuclear magnetic resonance HUMIC SUBSTANCES: VERSATILE COMPONENTS OF PLANTS, SOIL AND WATER, 2000, (259): : 83 - 89