TY - JOUR A1 - Wilhelm, Hans E. A1 - Gebert, Horst A1 - Regenstein, Wolfgang T1 - Effect of substituents on viscosity dependence of fluorescence and on the S1 - T1 energy gap of Donor-acceptor substituted trans-stilbenes Y1 - 1997 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/24296 ER -