Characteristics of wet deposition of sulfate and nitrate in three typical cities in China in 2001?2017
ZHENG Ke,ZHAO Tianliang,ZHANG Lei,ZENG Ning,ZHENG Xiaobo,YANG Qingjian
Ecology and Environmental Sciences . 2019, (12): 2390 -2397 .  DOI: 10.16258/j.cnki.1674-5906.2019.12.011