KÁLLAY, M.; NYITRAINÉ SÁRDY, D. Examination of nitrogenous compounds in Hungarian bio-musts. International Journal of Horticultural Science, [S. l.], v. 11, n. 1, p. 109–113., 2005. DOI: 10.31421/IJHS/11/1/569. Disponível em: https://ojs.lib.unideb.hu/IJHS/article/view/569. Acesso em: 5 mar. 2021.