Our books M.Tsibulka, I.Schovanets, "Knife fighting. Europe" (Hubertlov Bohemia, 2000)M.Tsibulka, I.Schovanets, "Knife fighting. Reverse grip" (Hubertlov Bohemia, 2000)D. Cherevichnik, "A world history of knifing: The popular duels with knives in XVII-XX centuries" (Temaf, 2013)