Novel silicon-carbon fullerene-like cages - A class of sp3-sp2 covalent-ionic hybridized nanosystems M. N. Huda and A. K. Ray Eur. Phys. J. D, 31 1 (2004) 63-68 Published online: 28 September 2004 DOI: 10.1140/epjd/e2004-00128-9