@misc{tier_a_study_2006, 
author={Tier, M., Kieckow, F., Strohaecker, T., da Silva Rocha, A., Bell, T.},
title={A Study of Carbon Redistribution During Plasma Nitriding of Steel},
year={2006},
howpublished = {conference lecture: Wien (A);},
note = {Tier, M.; Kieckow, F.; Strohaecker, T.; da Silva Rocha, A.; Bell, T.: A Study of Carbon Redistribution During Plasma Nitriding of Steel. 15th International Federation for Heat Treatment and Surface Engineering. Wien (A), 2006.}}