@misc{paul_cellulose_hollow_1991, 
author={Paul, D.,Gensrich, H.-J.},
title={Cellulose hollow fiber membranes for blood purification},
year={1991},
howpublished = {conference lecture: New Orleans, LA (USA); 02.-06.12.1991},
note = {Online available at: \url{} (DOI). Paul, D.; Gensrich, H.: Cellulose hollow fiber membranes for blood purification. Cellulose '91. New Orleans, LA (USA), 1991.}}