Ordering phenomena in C60-tetraphenylphosphonium bromideP. Launois, R. Moret, N.-R. de Souza, J. A. Azamar-Barrios and A. PénicaudEur. Phys. J. B, 15 3 (2000) 445-450DOI: https://doi.org/10.1007/s100510051145