KALLIO, H.; ROUSKU, R.; SALMINEN, A. Diurnal variations in nitrate content of red beets . Agricultural and Food Science, [S. l.], v. 56, n. 4, p. 239–243, 1984. DOI: 10.23986/afsci.72176. Disponível em: https://journal.fi/afs/article/view/72176. Acesso em: 20 jul. 2024.