@misc{scharnagl_membrane_development_1997, 
author={Scharnagl, N.},
title={Membrane Development at GKSS},
year={1997},
howpublished = {conference lecture: Helsinki (FIN);},
note = {Scharnagl, N.: Membrane Development at GKSS. Invitational Expert Workshop: Challenges and Approach to Closed Water Cycles; Recent Developments and Applications in the Process Industry. Helsinki (FIN), 1997.}}