TY - JOUR A1 - Ulbrich, I. M. A1 - Canagaratna, M. R. A1 - Zhang, Q. A1 - Worsnop, D. R. A1 - Jimenez, J. L. T1 - Interpretation of organic components from positive matrix factorization of aerosol mass spectrometric data JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 8 IS - 2 SP - 6729 EP - 6791 Y1 - 2008/04/09 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/8/6729/2008/ L1 - http://www.atmos-chem-phys-discuss.net/8/6729/2008/acpd-8-6729-2008.pdf ER -