Dorzhueva, G.Zh., et al. “STUDY OF THE NATURAL WATER TOTAL GROSS COMPOSITION INFLUENCE TO THE ANALYTICAL SIGNAL MAGNITUDE ON TWO JETS PLAZMATRON”. Recent Contributions to Physics, vol. 2008, no. 1, Oct. 2008, pp. 41-45, https://bph.kaznu.kz/index.php/zhuzhu/article/view/1458.