@misc{richau_electrochemical_properties_1989, 
author={Richau, K.,Kudela, V.,Schwarz, H.-H.,Paul, D.},
title={Electrochemical properties of polyelectrolyte complex membranes},
year={1989},
howpublished = {conference lecture: Torun (PL); September 5-8, 1989},
note = {Online available at: \url{} (DOI). Richau, K.; Kudela, V.; Schwarz, H.; Paul, D.: Electrochemical properties of polyelectrolyte complex membranes. International Symposium on Membranes and Membrane Separation Processes. Torun (PL), 1989.}}