@misc{kocak_measurement_of_1991, 
author={Kocak, M.,Schwalbe, K.-H.},
title={Measurement of plastic rotational factors},
year={1991},
howpublished = {conference lecture: Indianapolis, IN (USA); 06.-09.05.1991},
note = {Online available at: \url{} (DOI). Kocak, M.; Schwalbe, K.: Measurement of plastic rotational factors. ASTM Meeting Committee E24. Indianapolis, IN (USA), 1991.}}