@misc{gomes_proton_exchange_2007, 
author={Gomes, D.,Roeder, J.,Pereira Nunes, S.},
title={Proton Exchange Membranes for Fuel Cells Based on Sulfonated Polyoxadiazoles},
year={2007},
howpublished = {conference paper: Campina Grande (BR); 08.-11.07.2007},
note = {Online available at: \url{} (DOI). Gomes, D.; Roeder, J.; Pereira Nunes, S.: Proton Exchange Membranes for Fuel Cells Based on Sulfonated Polyoxadiazoles. In: VI Congresso Ibero-Americano de Ciencia e Tecnologia de Membranas, CITEM 2007. Campina Grande (BR). 2007.}}