TY - JOUR A1 - Acker, Karin A1 - Möller, Detlev A1 - Wieprecht, Wolfgang A1 - Auel, Renate A1 - Kalaß, Dieter A1 - Tscherwenka, W. T1 - Nitrous and nitric acid measurements inside and outside of clouds at Mt. Brocken JF - Water, Air and Soil Pollution Y1 - 2001 SN - 0043-1168 SN - 0049-6979 VL - 130 IS - 1-4 SP - 331 EP - 336 ER -