. . "wetenschappelijk artikel"@nl . . . . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u0433\u0440\u0443\u0434\u043D\u0456 1997"@uk . "3009-3012" . . . . . . . . . "article by Ari Laaksonen et al published 1 December 1997 in Geophysical Research Letters"@en . "article scientifique publi\u00E9 en 1997"@fr . . "Supercooled cirrus cloud formation modified by nitric acid pollution of the upper troposphere"@nl . . . . . . "1997-12-01T00:00:00Z"^^ . "Supercooled cirrus cloud formation modified by nitric acid pollution of the upper troposphere"@en . "Frank Arnold" . "Supercooled cirrus cloud formation modified by nitric acid pollution of the upper troposphere"@en . "Supercooled cirrus cloud formation modified by nitric acid pollution of the upper troposphere"@en . "1997GeoRL..24.3009L" . . "10.1029/97GL02996" . . "24" . . "im Dezember 1997 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . . . "Jukka Hienola" . . . . . . . . "23" . . . "Supercooled cirrus cloud formation modified by nitric acid pollution of the upper troposphere"@nl . . "Supercooled cirrus cloud formation modified by nitric acid pollution of the upper troposphere"@en . . . . "Supercooled cirrus cloud formation modified by nitric acid pollution of the upper troposphere"@nl . .