VARIS, A.-L.; HELENIUS, J.; KOIVULEHTO, K. Pollen spectrum of Finnish honey . Agricultural and Food Science, [S. l.], v. 54, n. 5, p. 403–420, 1982. DOI: 10.23986/afsci.72111. Disponível em: https://journal.fi/afs/article/view/72111. Acesso em: 1 may. 2024.