@misc{fritzsche_effect_of_1991, 
author={Fritzsche, P.,Noetzel, P.,Makschin, W.,Dautzenberg, H.,Weigel, T.,Abel, C.},
title={Effect of ionic groups on copolymerization and coagulation behaviour},
year={1991},
howpublished = {conference lecture: Mainz (D); September 1991},
note = {Online available at: \url{} (DOI). Fritzsche, P.; Noetzel, P.; Makschin, W.; Dautzenberg, H.; Weigel, T.; Abel, C.: Effect of ionic groups on copolymerization and coagulation behaviour. Speciality Polymers ´91. Mainz (D), 1991.}}