"Бал-Э» принят на вооружение" ["Bal-E" is put into service]. National Defence (in Russian). Archived from the original on 12 November 2013. Retrieved 23 December 2014.
"Бал-Э» принят на вооружение" ["Bal-E" is put into service]. National Defence (in Russian). Archived from the original on 12 November 2013. Retrieved 23 December 2014.