Romanova, S. and Ryskaliyeva, R. (2012) “Hydrochemical regime and water quality of rivers and reservoirs of basins of Shu, Esyl, Tobol, Sirdariya rivers for long-term cycle”, Chemical Bulletin of Kazakh National University, 68(4), pp. 182-188. doi: https://doi.org/10.15328/chemb_2012_4182-188.