Proceedings of the 8th International Conference “Computational and Information Technologies in Science, Engineering and Education” (CITech 2015), Almaty, Kazakhstan, September 24-27, 2015 in Mathematical Modeling of Technological Processes, Cham, Heidelberg, New York, Dordrecht, London: Springer, 2015. Editors: Danaev, Nargozy, Shokin, Yurii, Darkhan, Akhmed-Zaki (Eds.). P. 66 - 72. (DOI: 10.1007/978-3-319-25058-8_7)