Global Science and Innovation. Materials of the IV International Scientific Conference, March 12-13th, 2015. ISBN 978-1-77192-170-1, publishing office Accent Graphics communications– Chicago – USA, 2015. – 372 p. p.329-332 http://usconf.com/rus/archive.php , vol.3, pp.329-332, 2015 (Peer-Reviewed Journal)