CHEMICAL AND VALENCE RECONSTRUCTION AT THE SURFACE OF SMB6 REVEALED BY MEANS OF RESONANT SOFT X-RAY REFLECTOMETRY Article Zabolotnyy V.B., Fürsich K., Hinkov V., Green R.J., Lutz P., Treiber K., Min C.H., Reinert F., Dukhnenko A.V., Shitsevalova N.Y., Filipov V.B., Kang B.Y., Cho B.K., Sutarto R., He F., Inosov D.S. Physical Review B. Vol. 97. 2018. 205416 p.