@misc{kneifel_developement_of_1989, 
author={Kneifel, K., Peinemann, K.-V., Behling, R.-D.},
title={Developement of hollow fiber membranes for gas and liquid separation processes},
year={1989},
howpublished = {conference lecture: Tuebingen (D);},
note = {Kneifel, K.; Peinemann, K.; Behling, R.: Developement of hollow fiber membranes for gas and liquid separation processes. In: 6th International Symposium on Synthetic Membranes in Science and Industry. Tuebingen (D). 1989. 95-98.}}