@misc{storch_contribution_to_2015, 
author={Storch, H.v.},
title={Contribution to symposium Circling the Square},
year={2015},
howpublished = {conference lecture: Nottingham (GB); 02.07.2015},
note = {Online available at: \url{} (DOI). Storch, H.: Contribution to symposium Circling the Square. Circling the Square. Nottingham (GB), 2015.}}