MIKE, Ádám. “THE HISTORY OF THE TEXT AND MELODY OF THE GREGORIAN SEQUENCE LAUDA SION”. Studia Universitatis Babes-Bolyai Musica 64, no. 1 (June 20, 2019): 277–290. Accessed July 31, 2025. https://studia.reviste.ubbcluj.ro/index.php/subbmusica/article/view/2080.