EPPSTEIN, Hans. Om Wikmansons stråkkvartetter. Svensk tidskrift för musikforskning / Swedish Journal of Music Research, [S. l.], v. 53, p. 5–21, 1971. Disponível em: https://publicera.kb.se/stm-sjm/article/view/41305. Acesso em: 21 jan. 2026.