Ukrasa na trakijskoto văorăženie i snarjaženie, otkrito v Severozapadna Bălgarija (3-1 v : pr. Hr.). (Decoration of Thracian weapons and accoutrements, found in Nordwestern Bulgaria, 3-1 C. BC). - Torbov, Narcis (Universitetsko Izdatelstvo "Sv. Kliment Ohridski", 2005)