%0 conference lecture (invited) %@ %A Pereira Nunes, S.,Zoppi, R. A.,Peinemann, K.-V. %D 1997 %J Gordon Research Conference; Membrane: Material and Processes %N %P %T Organic-Inorganic Polymer Hybrids for Membranes: Silicone/SiO2 and Nafion/SiO2 %U %X