Tzeng, C T Covalent bonding and hole-electron Coulomb interaction U in C(60) on Be(0001) surfaces. [electronic resource] - Journal of physics. Condensed matter : an Institute of Physics journal Apr 2007 - 176009 p. digital Publication Type: Journal Article ISSN: 0953-8984 Standard No.: 10.1088/0953-8984/19/17/176009 doi