%0 journal article %@ 0376-7388 %A Ponce, M.L., Prado, L., Ruffmann, B., Richau, K., Mohr, R., Pereira Nunes, S. %D 2003 %J Journal of Membrane Science %P 5-15 %T Reduction of Methanol Permeability in Polyetherketone-Heteropolyacid Membranes %U %X