References
[1] Speciafication for continuous emission monitoring of flue gas emitted from the stationary sources, China national standard
[2] Tian Min, Yang Binglin.
Authors: Wen Xia Liu, Mei Mei Xu, Xi Zhou, Xiao Bo Xu
[2] Yuan Tian submitted to Journal of Gansu Agricultural university (1991) in Chinese [4] Yixiong Jin, Jianming Duan and Junqiang Yang submitted to Journey of Relay (2007) in Chinese