TY - JOUR A1 - Schrader, Sigurd A1 - Schürmann, H. A1 - Druska, P. A1 - Teppner, Randolf A1 - Prescher, Dietrich T1 - Ultraviolet photoelectron spectroscopy of conjugated organic model compounds Y1 - 1997 ER - TY - JOUR A1 - Schrader, Sigurd A1 - Prescher, Dietrich T1 - Molecular substitution and nonlinear optical properties of chromophores Y1 - 1997 ER - TY - JOUR A1 - Schrader, Sigurd A1 - Pfeiffer, Karl A1 - Reuther, Freimut A1 - Lorkowski, Hans-Joachim T1 - Stable polymer chromophore systems for nonlinear optics Y1 - 1997 ER - TY - JOUR A1 - Otto, Andreas H. A1 - Schrader, Sigurd A1 - Steiger, Th. A1 - Schneider, M. T1 - Gas phase deprotonation energies of Sulfuric Acid, Perchloric Acid, Chlorsulfuric Acid and Fluorosulfuric Acid Y1 - 1997 ER - TY - JOUR A1 - Otto, Andreas H. A1 - Prescher, Dietrich A1 - Gey, E. A1 - Schrader, Sigurd T1 - Proton affinities of some polyfluoroalkanes in comparison to the unsubstituted alkanes. The estimation of the proton affinities of polyfluorethylene and polyethylene by applying theoretical methods Y1 - 1997 ER -