Global minima for free PtN clusters (N = 22-56): a comparison between the searches with a molecular dynamics approach and a basin-hopping algorithmA. Sebetci and Z. B. GüvençEur. Phys. J. D, 30 1 (2004) 71-79DOI: https://doi.org/10.1140/epjd/e2004-00072-8