Temporal Trends of Organochlorines in Northern Europe, 1967-1995 Support Long Ranged Transport but not the ‘Grass-hopper Effect’ Publication Attachment: 97-262.pdf Authors: Olsson, M, Bignert, A, Odsjo, T, Persson, W, Litzen, K, Eriksson, U, Haggberg, L, Alsberg, T Year: 1997