TY - JOUR A1 - Herrmann, A. A1 - Kaupp, G. A1 - Geue, Thomas A1 - Pietsch, Ullrich T1 - AFM and GID investigations of the gas-solid diazotation of 4-sulfanil-acid-monohydrat single crystals Y1 - 1997 ER - TY - JOUR A1 - Geue, Thomas A1 - Stumpe, Joachim A1 - Pietsch, Ullrich A1 - Haak, M. A1 - Kaupp, G. T1 - Photochemically induced changes of optical anisotropy and surface of LB-multilayers built up by an amphiphilic and liquid crystalline copolymer conating azobenzene moieties Y1 - 1995 ER -