TY - JOUR A1 - Chen, J A1 - Ying, Q A1 - Kleeman, M J T1 - Source apportionment of wintertime secondary organic aerosol during the California regional PM10/PM2.5 air quality study. Y1 - 2010/03/ N1 - R831082 JF - ATMOSPHERIC ENVIRONMENT J1 - ATMOS ENVIRON J2 - Atmos.Environ. VL - 44 IS - 10 SP - 1331 EP - 1340 ER -