A. A.  Ivanov, Ivanov, V. G., Menushenkov, A. P., Wilhelm, F., Rogalev, A., Puri, A., Joseph, B., Xu, W., Marcelli, A., and Bianconi, A., ?Local noncentrosymmetric structure of Bi2Sr2CaCu2O8+y by X-ray magnetic circular dichroism at Cu K-edge XANES?, Journal of Superconductivity and Novel Magnetism, vol. 31, pp. 663-670, 2018.