Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Zhang, Renjian" or (type any "bookEditor journalEditor issueEditor" and editor="Zhang, Re... Add to list Journal Article A1 Levels and sources of hourly PM2.5-related elements during the control period of the COVID-19 pandemic at a rural site between Beijing and Tianjin Yang Cui, Dongsheng Ji, Willy Maenhaut (UGent) , Wenkang Gao, Renjian Zhang and Yuesi Wang (2020) SCIENCE OF THE TOTAL ENVIRONMENT. 744.