@misc{hicke_panmembranen__1990, 
author={Hicke, H.-G.},
title={PAN-Membranen},
year={1990},
howpublished = {conference lecture: Frankfurt / M (D);},
note = {Hicke, H.: PAN-Membranen. Sonderkolloquium der DECHEMA. Frankfurt / M (D), 1990.}}