Domašnite i divi životni ot praistoričeskoto selište Hotnica-Vodopada. Domestic and wild animals from the prehistorical settlement Hotnitsa-The falls in the period of transition from Eneolithic to the Bronze Age - Ninov, Lazar (Izvestija na Regionalen Istoričeski Muzej Veliko Tărnovo, 10 (1995), 1995)