@misc{becker_formation_of_1993, 
author={Becker, M.,Hicke, H.-G.,Albrecht, W.,Paul, D.},
title={Formation of Poly(acrylnitrile) membranes (P)},
year={1993},
howpublished = {conference paper,conference lecture: Valladoloid (E); 20.-24. September 1993},
note = {Online available at: \url{} (DOI). Becker, M.; Hicke, H.; Albrecht, W.; Paul, D.: Formation of Poly(acrylnitrile) membranes (P). In: X. Summer School on Membranes: Membrane, Processes and Applications. Valladoloid (E). 1993. 259.}}