THE HISTORY OF THE TEXT AND MELODY OF THE GREGORIAN SEQUENCE LAUDA SION.Published in:Studia Universitatis Babes-Bolyai, Musica, 2019, v. 64, n. 1, p. 277, doi. 10.24193/subbmusica.2019.1.18By:MIKE, ÁDÁMPublication type:Article