Copper clusters and small particles stabilized within nanoporous materials V. S. Gurin, V. P. Petranovskii, A. N. Pestryakov, A. Kryazhov, O. Ozhereliev, M.-A. Hernandes and A. A. Alexeenko Eur. Phys. J. D, 24 1-3 (2003) 381-384 Published online: 03 July 2003 DOI: 10.1140/epjd/e2003-00195-4