1. A. K. Tsvetnikov, RF Patent No. 1763210 (1993).
2. RF Patent No. 2035308 (1995).
3. A. K. Tsvetnikov, V. M. Buznik, and L. A. Matvienko, RF Patent No. 2100376 (1995).
4. 74RIF.RU, www.74rif.ru/tribo-tomflon.html.
5. N. P. Prorokova, T. Yu. Kumeeva, A. V. Khorev, V. M. Buznik, and L. N. Nikitin, Khim. Volokna, No. 2, 31 (2010).