@misc{mueller_simple_measures_2008, 
author={Mueller, R., Grooss, J.-U., Lemmen, C., Heinze, D., Dameris, M., Bodeker, G.},
title={Simple measures of polar ozone depletion},
year={2008},
howpublished = {conference lecture: Wien (A);},
note = {Mueller, R.; Grooss, J.; Lemmen, C.; Heinze, D.; Dameris, M.; Bodeker, G.: Simple measures of polar ozone depletion. EGU General Assembly 2008. Wien (A), 2008.}}