@misc{reichardt_correlated_occurrence_1996, 
author={Reichardt, J., Ansmann, A., Serwazi, M., Weitkamp, C.},
title={Correlated occurrence of ozone depletion and cirrus clouds},
year={1996},
howpublished = {conference lecture: l' Aquila (I);},
note = {Reichardt, J.; Ansmann, A.; Serwazi, M.; Weitkamp, C.: Correlated occurrence of ozone depletion and cirrus clouds. In: 18th Quadrennial Ozone Symposium. l' Aquila (I). 1996. 429.}}