@misc{paul_clean_production_1998, 
author={Paul, D.,Sikdar, S. K.},
title={Clean Production with Membrane Technology},
year={1998},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Paul, D.; Sikdar, S.: Clean Production with Membrane Technology. Clean Products and Processes. 1998. vol. 1, 38-48.}}