@misc{richau_polyelectrolyte_complex_1993, 
author={Richau, K., Schwarz, H.-H., Paul, D.},
title={Polyelectrolyte complex membranes for enzyme immobilization},
year={1993},
howpublished = {conference lecture: Berlin (D);},
note = {Richau, K.; Schwarz, H.; Paul, D.: Polyelectrolyte complex membranes for enzyme immobilization. 44th Meeting of the International Society of Electrochemistry. Berlin (D), 1993.}}