@misc{peinemann_improved_ultrafiltration_1991, 
author={Peinemann, K.-V.},
title={Improved ultrafiltration and gasseparation membranes prepared from chemically modified polyetherimide},
year={1991},
howpublished = {conference paper,conference lecture: San Diego, CA (USA); 29.-31.05.1991},
note = {Online available at: \url{} (DOI). 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.}}