@misc{lendlein_aktive_polymersysteme_2009, 
author={Lendlein, A.},
title={Aktive Polymersysteme},
year={2009},
howpublished = {conference lecture (invited): Aachen (D); 15.10.2009},
note = {Online available at: \url{} (DOI). Lendlein, A.: Aktive Polymersysteme. Intelligente Werkstoffe, DGM Themenfindungsworkshop. Aachen (D), 2009.}}