@misc{gensrich_new_types_1992, 
author={Gensrich, H.-J., Paul, D.},
title={New types of hollow fibres. Membranes from cellulose and cellulose esters},
year={1992},
howpublished = {conference lecture: Wrexham (GB);},
note = {Gensrich, H.; Paul, D.: New types of hollow fibres. Membranes from cellulose and cellulose esters. 7th International Cellucon '92 Conference. Wrexham (GB), 1992.}}