TY - JOUR A1 - Xie, S. D. A1 - Liu, Z. A1 - Chen, T. A1 - Hua, L. T1 - Spatiotemporal variations of ambient PM10 source contributions in Beijing in 2004 using positive matrix factorization JO - Atmos. Chem. Phys. J1 - ACP VL - 8 IS - 10 SP - 2701 EP - 2716 Y1 - 2008/05/22 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/8/2701/2008/ L1 - https://acp.copernicus.org/articles/8/2701/2008/acp-8-2701-2008.pdf DO - 10.5194/acp-8-2701-2008 ER -