Galagan В., M. Dombrougov, Zhuravkov . П., B. Timofeyev, and Yakimenko Ю., “Deploiment of the national research and educational network “URAN” in the frame of the state program ‘information and connunication technology in education and science’ for 2006-2010”, ITE, no. 4, pp. 018–030, Dec. 2009.