Averaged Wigner-Yanase-Dyson information as a quantum uncertainty measure X. Li, D. Li, H. Huang, X. Li and L.C. Kwek Eur. Phys. J. D, 64 1 (2011) 147-153 Published online: 27 July 2011 DOI: 10.1140/epjd/e2011-20017-4