Stability and electronic properties of Wn X(n=1-7, X= Cu, Mo) clusters Yu Zhicheng, Zhang Xiurong, Huo Peiying and Gao Kun Eur. Phys. J. Plus, 132 11 (2017) 451 Published online: 03 November 2017 DOI: 10.1140/epjp/i2017-11719-x