@misc{ziegler_palladium_modified_2001, 
author={Ziegler, S.,Theis, J.,Fritsch, D.},
title={Palladium Modified Porous Polymeric Membranes and their Performance in Selective Hydrogenation of Propyne},
year={2001},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Ziegler, S.; Theis, J.; Fritsch, D.: Palladium Modified Porous Polymeric Membranes and their Performance in Selective Hydrogenation of Propyne. Journal of Membrane Science. 2001. vol. 187, no. 12, 71-84.}}