For citations:

Ivanov D.S., Melnikova D.L., Alexandrov A.S., Doroginitsky M.M., Skirda V.D. Rapid evaluation of asphaltene-paraffin content in crude oil by solid-state NMR. Magnetic Resonance in Solids. 2026;28(1):26101 (8 pp.). https://doi.org/10.26907/mrsej-26101