@misc{storch_what_is_2006, 
author={Storch, H.v.},
title={What is happening to storms: Are they getting more or less violent?},
year={2006},
howpublished = {conference lecture: Oxford (GB);},
note = {Storch, H.: What is happening to storms: Are they getting more or less violent?. Vortrag im Department of Physics. Oxford (GB), 2006.}}