?url_ver=Z39.88-2004&rft_id=10.1073%2Fpnas.1613401114&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Winiger%2C+P.&rft.aulast=Winiger&rft.aufirst=P.&rft.issue=7&rft.volume=114&rft.date=February+2017&rft.issn=0027-8424&rft.atitle=Siberian+Arctic+black+carbon+sources+constrained+by+model+and+observation&rft.title=Proceedings+of+the+National+Academy+of+Sciences&rft.pages=E1054-E1061&rft.genre=article