%0 conference lecture %@ %A Roedicker, H.,Radke, N.,Schroeter, I.,Schwarz, H.-H.,Jacob, E.-M.,Richau, K.,Paul, D. %D 1989 %J International Symposium on Membranes for Gas and Vapour Separation; Abstracts %N %P %T Pervaporation membranes made from cellulosic materials %U %X