TY - JOUR A1 - Knobloch, Harald A1 - Katholy, Stefan A1 - Orendi, H. A1 - Hesse, J. A1 - Ruhmann, Ralf A1 - Prescher, Dietrich A1 - Brehmer, Ludwig T1 - Ellipsometric studies on photochromic ultra thin polymer films Y1 - 1996 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/26410 ER -