Vadim M. Loktev, Julia N. Khalack, and Yuri G. Pogorelov, Low-temperature orientational ordering and possible domain structures in C₆₀ fullerite, Low Temp. Phys. 27, (2001) [Fiz. Nizk. Temp. 27, 539-546, (2001)] DOI: https://doi.org/10.1063/1.1374727.