@misc{paul_polymere_fuer_1991, 
author={Paul, D.},
title={Polymere fuer die Medizin},
year={1991},
howpublished = {conference lecture: Osnabrueck (D); 17.04.1991},
note = {Online available at: \url{} (DOI). Paul, D.: Polymere fuer die Medizin. Ratsgymnasium Osnabrueck. Osnabrueck (D), 1991.}}