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\bibitem{Copley+Michel1997} {\textquotedblleft}\textit{Multiple orientational order parameters in solid C$_{60}$}{\textquotedblright}. Copley JRD, Michel KH, Physica: B : condensed matter
T2 -- International Conference on Neutron Scattering, AUG 17-21, 1997, TORONTO, CANADA \textbf{241}, 454 (1997).   http://doi.org/10.1016/S0921-4526(97)00617-0

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