@misc{lemmen_holocene_climate_2007, 
author={Lemmen, C.,De Vries, B.,Wirtz, K.,Gronenborn, D.,Bernhardt, K.},
title={Holocene climate fluctuations and their potential impact on cultural development},
year={2007},
howpublished = {conference poster: Hamburg (D); 27.-31.08.2007},
note = {Online available at: \url{} (DOI). Lemmen, C.; De Vries, B.; Wirtz, K.; Gronenborn, D.; Bernhardt, K.: Holocene climate fluctuations and their potential impact on cultural development. In: 2nd International Conference on Earth System Modelling, ICESM. Hamburg (D). 2007.}}