1. The characteristics of air pollution episodes in autumn over the southern Hebei, China. (1st August 2015) Authors: Zhang, Fenfen; Wang, Litao; Yang, Jing; Chen, Mingzhang; Wei, Zhe; Su, Jie Journal: World journal of engineering Issue: Volume 12:Number 3(2015) Page Start: 221 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗