1. RDEO (Guidance Document of the Operating Organization) No. 0151–2004 (2005).
2. RDEO (Guidance Document of the Operating Organization) No. 1.1.2.09.0137-2009 (2010).
3. G. V. Lebedev, RF Patent No. 2243603 (2004).
4. G. V. Lebedev, RF Patent No. 2507615 (2012).
5. Operation Guide of STI-3 Transmitter (EMKP. 468169.006 RE).