@misc{pereiranunes_inorganic_modification_2002, 
author={Pereira Nunes, S.,Ruffmann, B.,Richau, K.,Rikowski, E.,Vetter, S.},
title={Inorganic modification of proton conductive polymer membranes for direct methanol fuel cells},
year={2002},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Pereira Nunes, S.; Ruffmann, B.; Richau, K.; Rikowski, E.; Vetter, S.: Inorganic modification of proton conductive polymer membranes for direct methanol fuel cells. Journal of Membrane Science. 2002. vol. 203, no. 1-2, 215-225.}}