Kutlac (m)
Podbor (upper Rama river valley); Prozor (surroundings).
Širola, Božidar: Sviraljke s udarnim jezičkom [Aerophones with a beating tongue]. Zagreb, 1937, p.160.
Gojković, Andrijana: Narodni muzički instrumenti [Folk musical instruments]. Beograd, 1979 (»Širola [129]).