Yang H-B, Liu M-Z, Chen H-H, He G-P, Chen X, Cheng D-H. Groundwater Quality Evolution Under Urbanization in Beijing Urban Area, Northern China. ajc [Internet]. 2014 Feb. 15 [cited 2024 Nov. 25];26(4):1069-76. Available from: https://asianpubs.org/index.php/ajchem/article/view/26_5_27