Study on environmental characteristics of haze in Shenyang
ZHANG Yunhai, MA Yanjun, LIU Ningwei, ZHOU Deping, WANG Yangfeng, HONG Ye
Ecology and Environment . 2010, (11): 2636 -2641 .  DOI: 10.16258/j.cnki.1674-5906(2010)11-2636-06