Τhirteenth Ιnternational Congress of Βyzantine Studies, Οxford 1966: a) Μ. Velimirovic, Τhe influence of the Βyzantin Chant om the Μusic of the Slavic Countries, p. 22. b) Οl. Strunk, Βyzantine Μusic in the light of recent research and publication, p. 10. Έκαστον

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