Optimized 3D structures and energy bands of peanut-shaped C60 polymers K. Ohno, Y. Noguchi, S. Ueda and J. Onoe Eur. Phys. J. D, 43 1-3 (2007) 137-140 Published online: 24 May 2007 DOI: 10.1140/epjd/e2007-00080-2