Tyrovola Β. Κ., Karepidis Ι. K., and Kardaris Δ. Γ. “‘Pontic Dances’: Past and Present Structural-Morphological and Typological Approach”. Inquiries in Physical Education and Sport, vol. 5, no. 2, Sept. 2007, pp. 240-63, doi:10.26253/heal.uth.ojs.ispe.2007.1200.