Osoblivosti ukrajins'koho pizn'oseredn'ovičnoho posudu z rozkopok ukriplenoho poselennja bilja s. Nižn'oteple Luhans'koji oblasti. (Peculiarities of the Ukrainian Late medieval utensils got from excavations of the strengthened settlement near the Nyzhn'oteple village of the Lugansk region). - Ključnjev, M. M. (2001)