Density functional study of ethylene adsorption on small gold, palladium and gold-palladium binary clustersShuang Zhao, GuoZhi Li, JunNa Liu, YunLai Ren, WeiWei Lu and JianJi WangEur. Phys. J. D, 68 9 (2014) 254DOI: https://doi.org/10.1140/epjd/e2014-50314-1