ŠEGULA, T. Choral Compositions of Slavko Osterc. Musicological Annual, [S. l.], v. 6, n. 1, p. 54–74, 1970. DOI: 10.4312/mz.6.1.54-74. Disponível em: https://revije.ff.uni-lj.si/MuzikoloskiZbornik/article/view/4749. Acesso em: 19 jun. 2021.