For citations:
Gafurov M., Galukhin A., Osin Y., Murzakhanov F., Gracheva I., Mamin G., Orlinskii S.B. Probing the surface of synthetic opals with the vanadyl containing crude oil by using EPR and ENDOR techniques. Magnetic Resonance in Solids. 2019;21(1):19101 (7 pp.). https://doi.org/10.26907/mrsej-19101