@misc{lemmen_prehistoric_land_2009, 
author={Lemmen, C.,Wirtz, K.,Gronenborn, D.},
title={Prehistoric land use and Neolithisation in Europe in the context of regional climate events},
year={2009},
howpublished = {conference lecture: Wien (A); 19.-24.04.2009},
note = {Online available at: \url{} (DOI). Lemmen, C.; Wirtz, K.; Gronenborn, D.: Prehistoric land use and Neolithisation in Europe in the context of regional climate events. EGU General Assembly 2009. Wien (A), 2009.}}