J. Chigvinadze, S. Ashimov, A. Dolbin, and G. Mamniashvili, Unusual magnetic phenomena in dynamic torsion studies of fullerene Rb₃C₆₀, Low Temp. Phys. 46, 195–206, (2020) [Fiz. Nizk. Temp. 46, 241-253, (2020)] DOI: https://doi.org/10.1063/10.0000541.