Франчук, Г., Бовсуновський, Є. and Рябчевський, О. 2010. Assessment of efficience of purification of chromic waster water with application of spondyle green clay. Proceedings of National Aviation University. 43, 2 (Feb. 2010), 110–113. DOI:https://doi.org/10.18372/2306-1472.43.1864.