Бугорська [Olga Bugorskaya] Ольга Анріївна. 2013. “Classification of Knives Russia in the Theory and Practice of Historical Fencing (for Example, Spears)”. Slobozhanskyi Herald of Science and Sport, no. 5(38) (December):37-40. https://journals.uran.ua/index.php/1991-0177/article/view/20201.