@article{PlessowAckerHeinrichsetal.2003, author = {K. Plessow and Karin Acker and H. Heinrichs and Detlev M{\"o}ller}, title = {Time study of trace elements and major ions during two cloud events at the Mt. Brocken}, journal = {Atmospheric Environment}, volume = {35}, number = {2}, pages = {367 -- 378}, year = {2003}, }