@misc{paul_manufacturing_and_1993, 
author={Paul, D.},
title={Manufacturing and properties of membranes},
year={1993},
howpublished = {conference lecture (invited): Erice / Sizilien (I);},
note = {Paul, D.: Manufacturing and properties of membranes. Course on Artificial Organs: State of the Art 1993. Erice / Sizilien (I), 1993.}}