@misc{boeddeker_membrane_technology_1999, 
author={Boeddeker, K.W.},
title={Membrane Technology},
year={1999},
howpublished = {lecture: Technische Universitaet Hamburg-Harburg; WS 1998-1999},
note = {Online available at: \url{} (DOI). Boeddeker, K.: Membrane Technology. Technische Universitaet Hamburg-Harburg, 1999.}}