@misc{paul_tailormade_polymer_1999, 
author={Paul, D.},
title={Tailor-made polymer membranes: Manufacturing, properties and application},
year={1999},
howpublished = {conference lecture: Singapur (SGP); 25.03. 1999},
note = {Online available at: \url{} (DOI). Paul, D.: Tailor-made polymer membranes: Manufacturing, properties and application. Environmental Technology Institute. Singapur (SGP), 1999.}}