@misc{rockel_modelling_with_2002, 
author={Rockel, B.},
title={Modelling with LM at GKSS},
year={2002},
howpublished = {conference lecture: Langen (D);},
note = {Rockel, B.: Modelling with LM at GKSS. Seminar LM User Group. Langen (D), 2002.}}