@misc{ziegler_synthesis_and_1998, 
author={Ziegler, H.-J.,Malsch, G.,Richau, K.,Weigel, T.},
title={Synthesis and characterization of polymers made for bipolar membranes},
year={1998},
howpublished = {conference lecture: Santa Margherita Ligure (I); 25.-27.05.1998},
note = {Online available at: \url{} (DOI). Ziegler, H.; Malsch, G.; Richau, K.; Weigel, T.: Synthesis and characterization of polymers made for bipolar membranes. 11th International Symposium on Polymer Analysis and Characterization (ISPAC-11). Santa Margherita Ligure (I), 1998.}}