TY - JOUR A1 - Yao, X. H. A1 - Lau, N. T. A1 - Fang, M. A1 - Chan, C. K. T1 - On the time-averaging of ultrafine particle number size spectra in vehicular plumes JO - Atmos. Chem. Phys. J1 - ACP VL - 6 IS - 12 SP - 4801 EP - 4807 Y1 - 2006/10/24 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/6/4801/2006/ L1 - https://acp.copernicus.org/articles/6/4801/2006/acp-6-4801-2006.pdf DO - 10.5194/acp-6-4801-2006 ER -