NYÉKI, J.; SCHMIDT, J.; SZABÓ, Z.; ERDŐS, Z.; BUCSEK, M. Chemical analysis of the pollen of plum varieties. International Journal of Horticultural Science, [S. l.], v. 5, n. 1-2, p. 25–26., 1999. DOI: 10.31421/IJHS/5/1-2/16. Disponível em: https://ojs.lib.unideb.hu/IJHS/article/view/16. Acesso em: 6 aug. 2021.