%0 conference poster %@ %A Morawetz, K.,Katholy, S.,Kamusewitz, H.,Kosmella, H.,Reiche, J. %D 1999 %J EUROMEMBRANE 99 %N %P 91 %T Ultrathin Polymer-zeolite Membranes prepared via the Langmuir Blodgett Technique %U %X