Zhavrin, Y.I., V.N. Kossov, O.V. Fedorenko, M.K. Asembaeva, and V. Mukamedenkyzy. 2013. “Measurement Procedure of the Diffusion Coefficients in Gases by the Two-Flask Method”. Recent Contributions to Physics 2013 (2):80-90. https://bph.kaznu.kz/index.php/zhuzhu/article/view/745.