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 (Dec. 2012), 182-188. DOI:https://doi.org/https://doi.org/10.15328/chemb_2012_4182-188.