Wang, Qiyuan, Yaqing Zhou, Suixin Liu, Ting Zhang, and Jie Tian. “Impacts of PM2.5 Chemical Composition on Aerosol Light Extinction During the Xi’an International Horticultural Expo of China”. Journal of Environmental Science and Engineering Technology 8 (June 6, 2020): 30–40. Accessed March 15, 2025. https://savvysciencepublishers.com/index.php/jeset/article/view/384.