@misc{brinkmann_natural_gas_2003, 
author={Brinkmann, T., Ohlrogge, K.},
title={Natural Gas clean-Up by means of Membranes},
year={2003},
howpublished = {journal article},
note = {Brinkmann, T.; Ohlrogge, K.: Natural Gas clean-Up by means of Membranes. Annals of the New York Academy of Sciences. 2003. vol. 984, 306-317.}}