%0 conference lecture %@ %A Ponce, M.,Prado, L.,Ruffmann, B.,Richau, K.,Mohr, R.,Pereira Nunes, S. %D 2002 %J ICOM Toulouse 2002 %N %P %T Proton conductive membranes from polymer composites and heteropolyacisd with and without anion structure modified %U %X