Media type: E-Article Title: Changes in background aerosol composition in Finland during polluted and clean periods studied by TEM/EDX individual particle analysis Contributor: J. V. Niemi; S. Saarikoski; H. Tervahattu; T. Mäkelä; R. Hillamo; H. Vehkamäki; L. Sogacheva; M. Kulmala Published: 2006 Published in: Atmospheric Chemistry and Physics, 6 (2006) 12, Seite 5049-5066 Language: English ISSN: 1680-7316; 1680-7324 Origination: Footnote: Access State: Open Access