Jing, Liuxin, Yuanping Sun, Heli Wang, Weijiang Liu, and Dong Wang. 2019. “Denitrification in Simulated Groundwater Using Lignite As a Solid-Phase Organic Carbon Source”. Tecnología Y Ciencias Del Agua 10 (4): 238-55. https://doi.org/10.24850/j-tyca-2019-04-12.