ROȘIORU, C. L. IN MEMORIAM - Professor Iosif Viehmann (1 September 1925 – 6 August 2016). Studia Universitatis Babeș-Bolyai Biologia, [S. l.], v. 62, n. 1, p. 13–15, 2017. Disponível em: http://193.231.18.162/index.php/subbbiologia/article/view/3741. Acesso em: 4 jul. 2024.