For citations:
Bochkin G.A., Fel'dman E.B., Lazarev I.D., Vasil'ev S.G., Volkov V.I. Decay of multiple quantum NMR coherences in quasi-one-dimensional chains in calcium fluorapatite. Magnetic Resonance in Solids. 2019;21(1):19106 (5 pp.). https://doi.org/10.26907/mrsej-19106