@misc{heuchel_molecular_modelling_2002, 
author={Heuchel, M.,Hofmann, D.},
title={Molecular modelling of polyimide membranes for gas separation},
year={2002},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Heuchel, M.; Hofmann, D.: Molecular modelling of polyimide membranes for gas separation. Desalination. 2002. vol. 144, 67-72.}}