@misc{fritsch_copolymers_of_2009, 
author={Fritsch, D.,Heinrich, K.,Bengtson, G.},
title={Copolymers of  High Free Volume Ladder Polymers and Comparison of Various  Synthetic Methods},
year={2009},
howpublished = {conference poster: Mainz (D); 07.-09.06.2009},
note = {Online available at: \url{} (DOI). Fritsch, D.; Heinrich, K.; Bengtson, G.: Copolymers of  High Free Volume Ladder Polymers and Comparison of Various  Synthetic Methods. In: Frontiers in Polymer Science, International Symposium Celebrating the 50th Anniversary of the Journal Polymer. Mainz (D). 2009.}}