@misc{richau_bipolar_membranes_1998, 
author={Richau, K., Weigel, T., Klug, P., Malsch, G., Swoboda, R., Ziegler, H.-J., Otto, S., Martens, U., Kneifel, K., Paul, D.},
title={Bipolar Membranes – Preparation and Characterization},
year={1998},
howpublished = {conference lecture: Cleveland, OH (USA);},
note = {Richau, K.; Weigel, T.; Klug, P.; Malsch, G.; Swoboda, R.; Ziegler, H.; Otto, S.; Martens, U.; Kneifel, K.; Paul, D.: Bipolar Membranes – Preparation and Characterization. NAMS '98. Cleveland, OH (USA), 1998.}}