TY - JOUR A1 - Pietsch, Ullrich A1 - Tsirelson, Vladimir G. A1 - Gorfan, S. V. T1 - X-ray scattering amplitude of an atom in a permanent external electric field Y1 - 2003 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/16455 ER -