Scientific journal publication Evaluation of car air filters’ efficiency as active samplers for polycyclic aromatic hydrocarbons and heavy metals. Cai, Q.Y.; Xiao, P.-Y.; Lü, H.; Katsoyiannis, A.; Tian, J.-J.; Zeng, Q.-Y.; Mo, C.-H. Publication details Journal: Aerosol Air Qual. Res., 14, 431–439, 2014 DOI: 10.4209/aaqr.2013.03.0098