TY - JOUR A1 - Lavrenko, Peter N. A1 - Andreeva, Katharina A. A1 - Strelina, Irina A. A1 - Garmonova, Tatjana I. A1 - Schulz, Burkhard T1 - Optical anisotropy and flexibility of poly(m-phenylene oxadiazole) in sulfuric acid Y1 - 1999 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/21391 ER -