Коваль, В. В., В. О. Наталочка, С. К. Ткаченко, and О. В. Міненко. “Dynamics of Waterborne Contaminations of Agricultiral Purposes by Salt of High-Density Metal in the Conditions of Poltava Region”. Scientific Progress & Innovations, no. 1, Mar. 2012, pp. 40-44, doi:10.31210/visnyk2012.01.10.