TY - JOUR A1 - Han, Y. M. A1 - Cao, J. J. A1 - Lee, S. C. A1 - Ho, K. F. A1 - An, Z. S. T1 - Different characteristics of char and soot in the atmosphere and their ratio as an indicator for source identification in Xi'an, China JO - Atmos. Chem. Phys. J1 - ACP VL - 10 IS - 2 SP - 595 EP - 607 Y1 - 2010/01/22 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/10/595/2010/ L1 - https://acp.copernicus.org/articles/10/595/2010/acp-10-595-2010.pdf DO - 10.5194/acp-10-595-2010 ER -