@misc{mueller_development_of_2002, 
author={Mueller, J.,Peinemann, K.-V.,Mueller, J. sen.},
title={Development of facilitated transport membranes for the separation of olefins from gas streams},
year={2002},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Mueller, J.; Peinemann, K.; Mueller, J.: Development of facilitated transport membranes for the separation of olefins from gas streams. Desalination. 2002. vol. 145, 339-345.}}