TY - JOUR AU - Valérie Gros AU - Jean Sciare AU - Tong Yu TI - Air-quality measurements in megacities: Focus on gaseous organic and particulate pollutants and comparison between two contrasted cities, Paris and Beijing JO - Comptes Rendus. Géoscience PY - 2007 SP - 764 EP - 774 VL - 339 IS - 11-12 PB - Elsevier DO - 10.1016/j.crte.2007.08.007 LA - en ID - CRGEOS_2007__339_11-12_764_0 ER -