@misc{pereiranunes_membrane_science_2002, 
author={Pereira Nunes, S.},
title={Membrane Science and Technology},
year={2002},
howpublished = {lecture: University of Minas Gerais, Institut fuer Chemie; 08.-12.04.2002},
note = {Online available at: \url{} (DOI). Pereira Nunes, S.: Membrane Science and Technology. University of Minas Gerais, Institut fuer Chemie, 2002.}}