TY - JOUR A1 - Plessow, K. A1 - Acker, Karin A1 - Heinrichs, H. A1 - Möller, Detlev T1 - Time study of trace elements and major ions during two cloud events at the Mt. Brocken JF - Atmospheric Environment Y1 - 2001 SN - 1352-2310 VL - 35 IS - 2 SP - 367 EP - 378 ER -