Jordania, Joseph; Kane, Frank (1999). Vocal Polyphones from Svaneti(PDF) (Media notes). Riho Ensemble. INEDIT. Archived from the original(PDF, p. 20-21) on 6 February 2017. Retrieved 30 April 2020.
Jordania, Joseph; Kane, Frank (1999). Vocal Polyphones from Svaneti(PDF) (Media notes). Riho Ensemble. INEDIT. Archived from the original(PDF, p. 20-21) on 6 February 2017. Retrieved 30 April 2020.