In situ high-resolution valence photoelectron spectra of a peanut-shaped C60 polymer J. Onoe, T. Ito, S. Kimura and K. Ohno Eur. Phys. J. D, 43 1-3 (2007) 141-142 Published online: 24 May 2007 DOI: 10.1140/epjd/e2007-00081-1