@misc{peinemann_improved_ultrafiltration_1991, 
author={Peinemann, K.-V.},
title={Improved ultrafiltration and gasseparation membranes prepared from chemically modified polyetherimide},
year={1991},
howpublished = {conference lecture: San Diego, CA (USA);},
note = {Peinemann, K.: Improved ultrafiltration and gasseparation membranes prepared from chemically modified polyetherimide. In: Fourth National Meeting of the North American Membrane Society. San Diego, CA (USA). 1991. 2E.}}