O.  Kondrat, Holomb, R., Popovich, N., Mitsa, V., Veres, M., Csik, A., Tsud, N., Matolin, V., and Prince, K. C., ?Local surface structure and structural properties of As-Se nanolayers studied by synchrotron radiation photoelectron spectroscopy and DFT calculations?, Journal of Non-Crystalline Solids, vol. 410, pp. 180-185, 2015.