ANDREICA, Oana. “GUSTAV MAHLER’S „DAS KLAGENDE LIED“. THE STORY OF A BEGINNING”. Studia Universitatis Babeș-Bolyai Musica, vol. 54, no. 2, Dec. 2009, pp. 163-72, https://studia.reviste.ubbcluj.ro/index.php/subbmusica/article/view/9044.