D. W.; Duclos, S. J.; Lyons, K. B.; Miller, B.; Rosamilia, J. M. et al. (1991). "Conducting films of C60 and C70 by alkali-metal doping". Nature 350 (6316): 320. Bibcode 1991Natur.350..320H . doi : 10.1038/350320a0 .   ^ a b Gunnarsson, O. (1997). "Superconductivity in fullerides". Reviews of Modern Physics 69