@misc{lemmen_chemical_ozone_2006, 
author={Lemmen, C.},
title={Chemical ozone loss in a chemistry-climate model from 1960-1999},
year={2006},
howpublished = {conference lecture: Bilthoven (NL);},
note = {Lemmen, C.: Chemical ozone loss in a chemistry-climate model from 1960-1999. The Royal Netherlands Meteorological Institute, KNMI Colloquium. Bilthoven (NL), 2006.}}